Evidence for spin liquid ground state in SrDy$_2$O$_4$ frustrated magnet probed by muSR

Autor: Gauthier, N., Prévost, B., Amato, A., Baines, C., Pomjakushin, V., Bianchi, A. D., Cava, R. J., Kenzelmann, M.

Publikováno v: Journal of Physics: Conf. Series 828 (2017) 012014

Muon spin relaxation ($\mu$SR) measurements were carried out on SrDy$_2$O$_4$, a frustrated magnet featuring short range magnetic correlations at low temperatures. Zero-field muon spin depolarization measurements demonstrate that fast magnetic fluctu

Externí odkaz: http://arxiv.org/abs/1702.07161

Dimensionality and irreversibility of field-induced transitions in SrDy2O4

Autor: Bidaud, C., Simard, O., Quirion, G., Prévost, B., Daneau, S., Bianchi, A. D., Dabkowska, H. A., Quilliam, J. A.

Publikováno v: Physical Review B 93, 060404(R) (2016)

Low temperature ultrasound velocity measurements are presented on the frustrated spin system SrDy2O4 that allow us to define high resolution phase diagrams with the magnetic field applied along all three principal axes. For H||b, a region of field-in

Externí odkaz: http://arxiv.org/abs/1603.04719

Letter to the editor: Is the acellular pertussis vaccine driving the increase in severe whooping cough cases in children?

Autor: Prevost B; Sorbonne University, Paris, France., Nathan N; Sorbonne University, Paris, France., Corvol H; Sorbonne University, Paris, France.

Publikováno v: Euro surveillance : bulletin Europeen sur les maladies transmissibles = European communicable disease bulletin [Euro Surveill] 2024 Sep; Vol. 29 (37).

Uncovering Gaps in Knowledge: A Survey of Belgian General Practitioners' Awareness of Legionnaires' Disease Diagnostic Testing.

Autor: Moretti M; Department of Internal Medicine and Infectious Diseases, Universitair Ziekenhuis Brussel (UZ Brussel), Vrije Universiteit Brussel (VUB), 1090 Brussels, Belgium.; European Study Group for Legionella Infections (ESGLI), 4051 Basel, Switzerland., Van Nedervelde J; Independent Researcher in Primary Care, 6222 Villers-la-Ville, Belgium., Vanstokstraeten R; Department of Microbiology and Infection Control, National Reference Centre for Legionella pneumophila, Universitair Ziekenhuis Brussel (UZ Brussel), Vrije Universiteit Brussel (VUB), 1090 Brussels, Belgium., Seyler L; Department of Internal Medicine and Infectious Diseases, Universitair Ziekenhuis Brussel (UZ Brussel), Vrije Universiteit Brussel (VUB), 1090 Brussels, Belgium., Echahidi F; European Study Group for Legionella Infections (ESGLI), 4051 Basel, Switzerland.; Department of Microbiology and Infection Control, National Reference Centre for Legionella pneumophila, Universitair Ziekenhuis Brussel (UZ Brussel), Vrije Universiteit Brussel (VUB), 1090 Brussels, Belgium., Prevost B; National Reference Centre for Legionella pneumophila, Laboratoires des Hôpitaux Universitaires de Bruxelles-Universitair Laboratorium Brussel (LHUB-ULB), 1000 Brussels, Belgium., Martiny D; National Reference Centre for Legionella pneumophila, Laboratoires des Hôpitaux Universitaires de Bruxelles-Universitair Laboratorium Brussel (LHUB-ULB), 1000 Brussels, Belgium., Wybo I; European Study Group for Legionella Infections (ESGLI), 4051 Basel, Switzerland.; Department of Microbiology and Infection Control, National Reference Centre for Legionella pneumophila, Universitair Ziekenhuis Brussel (UZ Brussel), Vrije Universiteit Brussel (VUB), 1090 Brussels, Belgium., Michel C; European Study Group for Legionella Infections (ESGLI), 4051 Basel, Switzerland.; Department of Microbiology and Infection Control, National Reference Centre for Legionella pneumophila, Universitair Ziekenhuis Brussel (UZ Brussel), Vrije Universiteit Brussel (VUB), 1090 Brussels, Belgium.

Publikováno v: Infectious disease reports [Infect Dis Rep] 2024 Aug 27; Vol. 16 (5), pp. 820-827. Date of Electronic Publication: 2024 Aug 27.

Nirsevimab and Hospitalization for RSV Bronchiolitis.

Autor: Assad Z; From the Department of General Pediatrics, Pediatric Infectious Disease, and Internal Medicine (Z.A., A.G., N.O.), Centre d'Investigations Cliniques, INSERM Unité 1426 (Z.V.), the Pediatric Intensive Care Unit (M. Levy, P.S.), the Pediatric Emergency Department (L.L.), the Department of Microbiology (M.G.-M.), the Neonatal Intensive Care Unit (V.B.), and the Unit of Clinical Epidemiology, INSERM Unité 1123 and Epidémiologie Clinique du Centre d'Investigation Clinique 1426 (K.D., O.A.), Robert-Debré University Hospital, Paris Cité University (Z.A., C.S., A.G., Z.V., M.B., J.F.C., J.T., M.L., P.S., L.L., M.G.-M., V.B., K.D., O.A.), the Departments of General Pediatrics (A.-S.R., M. Lorrot, C.F.) and Pediatric Pulmonology (A.-S.R., M. Lorrot), Armand Trousseau University Hospital, Sorbonne University (A.-S.R., M. Lorrot), the Pediatric Emergency Department (C.S.), the Pediatric Intensive Care Unit (M.B.), and the Department of General Pediatrics and Pediatric Infectious Diseases (C.S., J.F.C., J.T.), Necker-Enfants Malades University Hospital, Saint-Antoine Research Center, INSERM Unité Mixte de Recherche (UMR) S938 (H.C., B.P.), and Assistance Publique-Hôpitaux de Paris (AP-HP), Infection, Antimicrobials, Modeling, and Evolution (IAME) Research Unit, INSERM UMR 1137 (Z.A., L.L., M.G.-M., N.O.), Épidémiologie Clinique et Évaluation Économique Appliqué aux Populations Vulnérables, INSERM UMR 1123 (C.A.), the Center of Research in Epidemiology and Statistics, INSERM UMR 1153 (J.F.C.), and Biodiversity and Epidemiology of Bacterial Pathogens Research Unit, Institut Pasteur (J.T.), Paris Cité University, Paris, Groupe de Pathologie Infectieuse Pédiatrique, Nice (Z.A., M. Lorrot, R.C., C.L., N.O.), the Pediatric Emergency Department (C.A.) and the Department of General Pediatrics (L.P., C.F.D.), Jean Verdier University Hospital, AP-HP de Paris, Bondy, the Department of General Pediatrics, Centre Hospitalier Intercommunal de Créteil (M.S., C.J.), Association Clinique et Thérapeutique Infantile du Val-de-Marne France (R.C., C.L.), Institut Mondor de Recherche Biomédicale-Groupe de Recherche Clinique Groupe d'Étude des Maladies Infectieuses Néonatales et Infantiles, Université Paris Est (R.C., C.L., C.J.), and the Clinical Research Center (M.M.E.H., C.J.) and the Neonatal Intensive Care Unit (X.D.), Centre Hospitalier Intercommunal de Créteil, Université Paris Est Créteil, Faculté de Santé de Créteil, Créteil, Association Française de Pédiatrie Ambulatoire, Orleans (R.C., C.L.), and the Departments of Pediatric Pulmonology and Allergology (G.L., N.C.) and General Pediatrics (B.H., O.M., C.B.), Children's Hospital, Toulouse University Hospital, Toulouse - all in France; and the Department of Pediatrics, Department Woman-Mother-Child, Lausanne University Hospital, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (F.A.)., Romain AS; From the Department of General Pediatrics, Pediatric Infectious Disease, and Internal Medicine (Z.A., A.G., N.O.), Centre d'Investigations Cliniques, INSERM Unité 1426 (Z.V.), the Pediatric Intensive Care Unit (M. Levy, P.S.), the Pediatric Emergency Department (L.L.), the Department of Microbiology (M.G.-M.), the Neonatal Intensive Care Unit (V.B.), and the Unit of Clinical Epidemiology, INSERM Unité 1123 and Epidémiologie Clinique du Centre d'Investigation Clinique 1426 (K.D., O.A.), Robert-Debré University Hospital, Paris Cité University (Z.A., C.S., A.G., Z.V., M.B., J.F.C., J.T., M.L., P.S., L.L., M.G.-M., V.B., K.D., O.A.), the Departments of General Pediatrics (A.-S.R., M. Lorrot, C.F.) and Pediatric Pulmonology (A.-S.R., M. Lorrot), Armand Trousseau University Hospital, Sorbonne University (A.-S.R., M. Lorrot), the Pediatric Emergency Department (C.S.), the Pediatric Intensive Care Unit (M.B.), and the Department of General Pediatrics and Pediatric Infectious Diseases (C.S., J.F.C., J.T.), Necker-Enfants Malades University Hospital, Saint-Antoine Research Center, INSERM Unité Mixte de Recherche (UMR) S938 (H.C., B.P.), and Assistance Publique-Hôpitaux de Paris (AP-HP), Infection, Antimicrobials, Modeling, and Evolution (IAME) Research Unit, INSERM UMR 1137 (Z.A., L.L., M.G.-M., N.O.), Épidémiologie Clinique et Évaluation Économique Appliqué aux Populations Vulnérables, INSERM UMR 1123 (C.A.), the Center of Research in Epidemiology and Statistics, INSERM UMR 1153 (J.F.C.), and Biodiversity and Epidemiology of Bacterial Pathogens Research Unit, Institut Pasteur (J.T.), Paris Cité University, Paris, Groupe de Pathologie Infectieuse Pédiatrique, Nice (Z.A., M. Lorrot, R.C., C.L., N.O.), the Pediatric Emergency Department (C.A.) and the Department of General Pediatrics (L.P., C.F.D.), Jean Verdier University Hospital, AP-HP de Paris, Bondy, the Department of General Pediatrics, Centre Hospitalier Intercommunal de Créteil (M.S., C.J.), Association Clinique et Thérapeutique Infantile du Val-de-Marne France (R.C., C.L.), Institut Mondor de Recherche Biomédicale-Groupe de Recherche Clinique Groupe d'Étude des Maladies Infectieuses Néonatales et Infantiles, Université Paris Est (R.C., C.L., C.J.), and the Clinical Research Center (M.M.E.H., C.J.) and the Neonatal Intensive Care Unit (X.D.), Centre Hospitalier Intercommunal de Créteil, Université Paris Est Créteil, Faculté de Santé de Créteil, Créteil, Association Française de Pédiatrie Ambulatoire, Orleans (R.C., C.L.), and the Departments of Pediatric Pulmonology and Allergology (G.L., N.C.) and General Pediatrics (B.H., O.M., C.B.), Children's Hospital, Toulouse University Hospital, Toulouse - all in France; and the Department of Pediatrics, Department Woman-Mother-Child, Lausanne University Hospital, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (F.A.)., Aupiais C; From the Department of General Pediatrics, Pediatric Infectious Disease, and Internal Medicine (Z.A., A.G., N.O.), Centre d'Investigations Cliniques, INSERM Unité 1426 (Z.V.), the Pediatric Intensive Care Unit (M. Levy, P.S.), the Pediatric Emergency Department (L.L.), the Department of Microbiology (M.G.-M.), the Neonatal Intensive Care Unit (V.B.), and the Unit of Clinical Epidemiology, INSERM Unité 1123 and Epidémiologie Clinique du Centre d'Investigation Clinique 1426 (K.D., O.A.), Robert-Debré University Hospital, Paris Cité University (Z.A., C.S., A.G., Z.V., M.B., J.F.C., J.T., M.L., P.S., L.L., M.G.-M., V.B., K.D., O.A.), the Departments of General Pediatrics (A.-S.R., M. Lorrot, C.F.) and Pediatric Pulmonology (A.-S.R., M. Lorrot), Armand Trousseau University Hospital, Sorbonne University (A.-S.R., M. Lorrot), the Pediatric Emergency Department (C.S.), the Pediatric Intensive Care Unit (M.B.), and the Department of General Pediatrics and Pediatric Infectious Diseases (C.S., J.F.C., J.T.), Necker-Enfants Malades University Hospital, Saint-Antoine Research Center, INSERM Unité Mixte de Recherche (UMR) S938 (H.C., B.P.), and Assistance Publique-Hôpitaux de Paris (AP-HP), Infection, Antimicrobials, Modeling, and Evolution (IAME) Research Unit, INSERM UMR 1137 (Z.A., L.L., M.G.-M., N.O.), Épidémiologie Clinique et Évaluation Économique Appliqué aux Populations Vulnérables, INSERM UMR 1123 (C.A.), the Center of Research in Epidemiology and Statistics, INSERM UMR 1153 (J.F.C.), and Biodiversity and Epidemiology of Bacterial Pathogens Research Unit, Institut Pasteur (J.T.), Paris Cité University, Paris, Groupe de Pathologie Infectieuse Pédiatrique, Nice (Z.A., M. Lorrot, R.C., C.L., N.O.), the Pediatric Emergency Department (C.A.) and the Department of General Pediatrics (L.P., C.F.D.), Jean Verdier University Hospital, AP-HP de Paris, Bondy, the Department of General Pediatrics, Centre Hospitalier Intercommunal de Créteil (M.S., C.J.), Association Clinique et Thérapeutique Infantile du Val-de-Marne France (R.C., C.L.), Institut Mondor de Recherche Biomédicale-Groupe de Recherche Clinique Groupe d'Étude des Maladies Infectieuses Néonatales et Infantiles, Université Paris Est (R.C., C.L., C.J.), and the Clinical Research Center (M.M.E.H., C.J.) and the Neonatal Intensive Care Unit (X.D.), Centre Hospitalier Intercommunal de Créteil, Université Paris Est Créteil, Faculté de Santé de Créteil, Créteil, Association Française de Pédiatrie Ambulatoire, Orleans (R.C., C.L.), and the Departments of Pediatric Pulmonology and Allergology (G.L., N.C.) and General Pediatrics (B.H., O.M., C.B.), Children's Hospital, Toulouse University Hospital, Toulouse - all in France; and the Department of Pediatrics, Department Woman-Mother-Child, Lausanne University Hospital, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (F.A.)., Shum M; From the Department of General Pediatrics, Pediatric Infectious Disease, and Internal Medicine (Z.A., A.G., N.O.), Centre d'Investigations Cliniques, INSERM Unité 1426 (Z.V.), the Pediatric Intensive Care Unit (M. Levy, P.S.), the Pediatric Emergency Department (L.L.), the Department of Microbiology (M.G.-M.), the Neonatal Intensive Care Unit (V.B.), and the Unit of Clinical Epidemiology, INSERM Unité 1123 and Epidémiologie Clinique du Centre d'Investigation Clinique 1426 (K.D., O.A.), Robert-Debré University Hospital, Paris Cité University (Z.A., C.S., A.G., Z.V., M.B., J.F.C., J.T., M.L., P.S., L.L., M.G.-M., V.B., K.D., O.A.), the Departments of General Pediatrics (A.-S.R., M. Lorrot, C.F.) and Pediatric Pulmonology (A.-S.R., M. Lorrot), Armand Trousseau University Hospital, Sorbonne University (A.-S.R., M. Lorrot), the Pediatric Emergency Department (C.S.), the Pediatric Intensive Care Unit (M.B.), and the Department of General Pediatrics and Pediatric Infectious Diseases (C.S., J.F.C., J.T.), Necker-Enfants Malades University Hospital, Saint-Antoine Research Center, INSERM Unité Mixte de Recherche (UMR) S938 (H.C., B.P.), and Assistance Publique-Hôpitaux de Paris (AP-HP), Infection, Antimicrobials, Modeling, and Evolution (IAME) Research Unit, INSERM UMR 1137 (Z.A., L.L., M.G.-M., N.O.), Épidémiologie Clinique et Évaluation Économique Appliqué aux Populations Vulnérables, INSERM UMR 1123 (C.A.), the Center of Research in Epidemiology and Statistics, INSERM UMR 1153 (J.F.C.), and Biodiversity and Epidemiology of Bacterial Pathogens Research Unit, Institut Pasteur (J.T.), Paris Cité University, Paris, Groupe de Pathologie Infectieuse Pédiatrique, Nice (Z.A., M. Lorrot, R.C., C.L., N.O.), the Pediatric Emergency Department (C.A.) and the Department of General Pediatrics (L.P., C.F.D.), Jean Verdier University Hospital, AP-HP de Paris, Bondy, the Department of General Pediatrics, Centre Hospitalier Intercommunal de Créteil (M.S., C.J.), Association Clinique et Thérapeutique Infantile du Val-de-Marne France (R.C., C.L.), Institut Mondor de Recherche Biomédicale-Groupe de Recherche Clinique Groupe d'Étude des Maladies Infectieuses Néonatales et Infantiles, Université Paris Est (R.C., C.L., C.J.), and the Clinical Research Center (M.M.E.H., C.J.) and the Neonatal Intensive Care Unit (X.D.), Centre Hospitalier Intercommunal de Créteil, Université Paris Est Créteil, Faculté de Santé de Créteil, Créteil, Association Française de Pédiatrie Ambulatoire, Orleans (R.C., C.L.), and the Departments of Pediatric Pulmonology and Allergology (G.L., N.C.) and General Pediatrics (B.H., O.M., C.B.), Children's Hospital, Toulouse University Hospital, Toulouse - all in France; and the Department of Pediatrics, Department Woman-Mother-Child, Lausanne University Hospital, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (F.A.)., Schrimpf C; From the Department of General Pediatrics, Pediatric Infectious Disease, and Internal Medicine (Z.A., A.G., N.O.), Centre d'Investigations Cliniques, INSERM Unité 1426 (Z.V.), the Pediatric Intensive Care Unit (M. Levy, P.S.), the Pediatric Emergency Department (L.L.), the Department of Microbiology (M.G.-M.), the Neonatal Intensive Care Unit (V.B.), and the Unit of Clinical Epidemiology, INSERM Unité 1123 and Epidémiologie Clinique du Centre d'Investigation Clinique 1426 (K.D., O.A.), Robert-Debré University Hospital, Paris Cité University (Z.A., C.S., A.G., Z.V., M.B., J.F.C., J.T., M.L., P.S., L.L., M.G.-M., V.B., K.D., O.A.), the Departments of General Pediatrics (A.-S.R., M. Lorrot, C.F.) and Pediatric Pulmonology (A.-S.R., M. Lorrot), Armand Trousseau University Hospital, Sorbonne University (A.-S.R., M. Lorrot), the Pediatric Emergency Department (C.S.), the Pediatric Intensive Care Unit (M.B.), and the Department of General Pediatrics and Pediatric Infectious Diseases (C.S., J.F.C., J.T.), Necker-Enfants Malades University Hospital, Saint-Antoine Research Center, INSERM Unité Mixte de Recherche (UMR) S938 (H.C., B.P.), and Assistance Publique-Hôpitaux de Paris (AP-HP), Infection, Antimicrobials, Modeling, and Evolution (IAME) Research Unit, INSERM UMR 1137 (Z.A., L.L., M.G.-M., N.O.), Épidémiologie Clinique et Évaluation Économique Appliqué aux Populations Vulnérables, INSERM UMR 1123 (C.A.), the Center of Research in Epidemiology and Statistics, INSERM UMR 1153 (J.F.C.), and Biodiversity and Epidemiology of Bacterial Pathogens Research Unit, Institut Pasteur (J.T.), Paris Cité University, Paris, Groupe de Pathologie Infectieuse Pédiatrique, Nice (Z.A., M. Lorrot, R.C., C.L., N.O.), the Pediatric Emergency Department (C.A.) and the Department of General Pediatrics (L.P., C.F.D.), Jean Verdier University Hospital, AP-HP de Paris, Bondy, the Department of General Pediatrics, Centre Hospitalier Intercommunal de Créteil (M.S., C.J.), Association Clinique et Thérapeutique Infantile du Val-de-Marne France (R.C., C.L.), Institut Mondor de Recherche Biomédicale-Groupe de Recherche Clinique Groupe d'Étude des Maladies Infectieuses Néonatales et Infantiles, Université Paris Est (R.C., C.L., C.J.), and the Clinical Research Center (M.M.E.H., C.J.) and the Neonatal Intensive Care Unit (X.D.), Centre Hospitalier Intercommunal de Créteil, Université Paris Est Créteil, Faculté de Santé de Créteil, Créteil, Association Française de Pédiatrie Ambulatoire, Orleans (R.C., C.L.), and the Departments of Pediatric Pulmonology and Allergology (G.L., N.C.) and General Pediatrics (B.H., O.M., C.B.), Children's Hospital, Toulouse University Hospital, Toulouse - all in France; and the Department of Pediatrics, Department Woman-Mother-Child, Lausanne University Hospital, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (F.A.)., Lorrot M; From the Department of General Pediatrics, Pediatric Infectious Disease, and Internal Medicine (Z.A., A.G., N.O.), Centre d'Investigations Cliniques, INSERM Unité 1426 (Z.V.), the Pediatric Intensive Care Unit (M. Levy, P.S.), the Pediatric Emergency Department (L.L.), the Department of Microbiology (M.G.-M.), the Neonatal Intensive Care Unit (V.B.), and the Unit of Clinical Epidemiology, INSERM Unité 1123 and Epidémiologie Clinique du Centre d'Investigation Clinique 1426 (K.D., O.A.), Robert-Debré University Hospital, Paris Cité University (Z.A., C.S., A.G., Z.V., M.B., J.F.C., J.T., M.L., P.S., L.L., M.G.-M., V.B., K.D., O.A.), the Departments of General Pediatrics (A.-S.R., M. Lorrot, C.F.) and Pediatric Pulmonology (A.-S.R., M. Lorrot), Armand Trousseau University Hospital, Sorbonne University (A.-S.R., M. Lorrot), the Pediatric Emergency Department (C.S.), the Pediatric Intensive Care Unit (M.B.), and the Department of General Pediatrics and Pediatric Infectious Diseases (C.S., J.F.C., J.T.), Necker-Enfants Malades University Hospital, Saint-Antoine Research Center, INSERM Unité Mixte de Recherche (UMR) S938 (H.C., B.P.), and Assistance Publique-Hôpitaux de Paris (AP-HP), Infection, Antimicrobials, Modeling, and Evolution (IAME) Research Unit, INSERM UMR 1137 (Z.A., L.L., M.G.-M., N.O.), Épidémiologie Clinique et Évaluation Économique Appliqué aux Populations Vulnérables, INSERM UMR 1123 (C.A.), the Center of Research in Epidemiology and Statistics, INSERM UMR 1153 (J.F.C.), and Biodiversity and Epidemiology of Bacterial Pathogens Research Unit, Institut Pasteur (J.T.), Paris Cité University, Paris, Groupe de Pathologie Infectieuse Pédiatrique, Nice (Z.A., M. Lorrot, R.C., C.L., N.O.), the Pediatric Emergency Department (C.A.) and the Department of General Pediatrics (L.P., C.F.D.), Jean Verdier University Hospital, AP-HP de Paris, Bondy, the Department of General Pediatrics, Centre Hospitalier Intercommunal de Créteil (M.S., C.J.), Association Clinique et Thérapeutique Infantile du Val-de-Marne France (R.C., C.L.), Institut Mondor de Recherche Biomédicale-Groupe de Recherche Clinique Groupe d'Étude des Maladies Infectieuses Néonatales et Infantiles, Université Paris Est (R.C., C.L., C.J.), and the Clinical Research Center (M.M.E.H., C.J.) and the Neonatal Intensive Care Unit (X.D.), Centre Hospitalier Intercommunal de Créteil, Université Paris Est Créteil, Faculté de Santé de Créteil, Créteil, Association Française de Pédiatrie Ambulatoire, Orleans (R.C., C.L.), and the Departments of Pediatric Pulmonology and Allergology (G.L., N.C.) and General Pediatrics (B.H., O.M., C.B.), Children's Hospital, Toulouse University Hospital, Toulouse - all in France; and the Department of Pediatrics, Department Woman-Mother-Child, Lausanne University Hospital, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (F.A.)., Corvol H; From the Department of General Pediatrics, Pediatric Infectious Disease, and Internal Medicine (Z.A., A.G., N.O.), Centre d'Investigations Cliniques, INSERM Unité 1426 (Z.V.), the Pediatric Intensive Care Unit (M. Levy, P.S.), the Pediatric Emergency Department (L.L.), the Department of Microbiology (M.G.-M.), the Neonatal Intensive Care Unit (V.B.), and the Unit of Clinical Epidemiology, INSERM Unité 1123 and Epidémiologie Clinique du Centre d'Investigation Clinique 1426 (K.D., O.A.), Robert-Debré University Hospital, Paris Cité University (Z.A., C.S., A.G., Z.V., M.B., J.F.C., J.T., M.L., P.S., L.L., M.G.-M., V.B., K.D., O.A.), the Departments of General Pediatrics (A.-S.R., M. Lorrot, C.F.) and Pediatric Pulmonology (A.-S.R., M. Lorrot), Armand Trousseau University Hospital, Sorbonne University (A.-S.R., M. Lorrot), the Pediatric Emergency Department (C.S.), the Pediatric Intensive Care Unit (M.B.), and the Department of General Pediatrics and Pediatric Infectious Diseases (C.S., J.F.C., J.T.), Necker-Enfants Malades University Hospital, Saint-Antoine Research Center, INSERM Unité Mixte de Recherche (UMR) S938 (H.C., B.P.), and Assistance Publique-Hôpitaux de Paris (AP-HP), Infection, Antimicrobials, Modeling, and Evolution (IAME) Research Unit, INSERM UMR 1137 (Z.A., L.L., M.G.-M., N.O.), Épidémiologie Clinique et Évaluation Économique Appliqué aux Populations Vulnérables, INSERM UMR 1123 (C.A.), the Center of Research in Epidemiology and Statistics, INSERM UMR 1153 (J.F.C.), and Biodiversity and Epidemiology of Bacterial Pathogens Research Unit, Institut Pasteur (J.T.), Paris Cité University, Paris, Groupe de Pathologie Infectieuse Pédiatrique, Nice (Z.A., M. Lorrot, R.C., C.L., N.O.), the Pediatric Emergency Department (C.A.) and the Department of General Pediatrics (L.P., C.F.D.), Jean Verdier University Hospital, AP-HP de Paris, Bondy, the Department of General Pediatrics, Centre Hospitalier Intercommunal de Créteil (M.S., C.J.), Association Clinique et Thérapeutique Infantile du Val-de-Marne France (R.C., C.L.), Institut Mondor de Recherche Biomédicale-Groupe de Recherche Clinique Groupe d'Étude des Maladies Infectieuses Néonatales et Infantiles, Université Paris Est (R.C., C.L., C.J.), and the Clinical Research Center (M.M.E.H., C.J.) and the Neonatal Intensive Care Unit (X.D.), Centre Hospitalier Intercommunal de Créteil, Université Paris Est Créteil, Faculté de Santé de Créteil, Créteil, Association Française de Pédiatrie Ambulatoire, Orleans (R.C., C.L.), and the Departments of Pediatric Pulmonology and Allergology (G.L., N.C.) and General Pediatrics (B.H., O.M., C.B.), Children's Hospital, Toulouse University Hospital, Toulouse - all in France; and the Department of Pediatrics, Department Woman-Mother-Child, Lausanne University Hospital, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (F.A.)., Prevost B; From the Department of General Pediatrics, Pediatric Infectious Disease, and Internal Medicine (Z.A., A.G., N.O.), Centre d'Investigations Cliniques, INSERM Unité 1426 (Z.V.), the Pediatric Intensive Care Unit (M. Levy, P.S.), the Pediatric Emergency Department (L.L.), the Department of Microbiology (M.G.-M.), the Neonatal Intensive Care Unit (V.B.), and the Unit of Clinical Epidemiology, INSERM Unité 1123 and Epidémiologie Clinique du Centre d'Investigation Clinique 1426 (K.D., O.A.), Robert-Debré University Hospital, Paris Cité University (Z.A., C.S., A.G., Z.V., M.B., J.F.C., J.T., M.L., P.S., L.L., M.G.-M., V.B., K.D., O.A.), the Departments of General Pediatrics (A.-S.R., M. Lorrot, C.F.) and Pediatric Pulmonology (A.-S.R., M. Lorrot), Armand Trousseau University Hospital, Sorbonne University (A.-S.R., M. Lorrot), the Pediatric Emergency Department (C.S.), the Pediatric Intensive Care Unit (M.B.), and the Department of General Pediatrics and Pediatric Infectious Diseases (C.S., J.F.C., J.T.), Necker-Enfants Malades University Hospital, Saint-Antoine Research Center, INSERM Unité Mixte de Recherche (UMR) S938 (H.C., B.P.), and Assistance Publique-Hôpitaux de Paris (AP-HP), Infection, Antimicrobials, Modeling, and Evolution (IAME) Research Unit, INSERM UMR 1137 (Z.A., L.L., M.G.-M., N.O.), Épidémiologie Clinique et Évaluation Économique Appliqué aux Populations Vulnérables, INSERM UMR 1123 (C.A.), the Center of Research in Epidemiology and Statistics, INSERM UMR 1153 (J.F.C.), and Biodiversity and Epidemiology of Bacterial Pathogens Research Unit, Institut Pasteur (J.T.), Paris Cité University, Paris, Groupe de Pathologie Infectieuse Pédiatrique, Nice (Z.A., M. Lorrot, R.C., C.L., N.O.), the Pediatric Emergency Department (C.A.) and the Department of General Pediatrics (L.P., C.F.D.), Jean Verdier University Hospital, AP-HP de Paris, Bondy, the Department of General Pediatrics, Centre Hospitalier Intercommunal de Créteil (M.S., C.J.), Association Clinique et Thérapeutique Infantile du Val-de-Marne France (R.C., C.L.), Institut Mondor de Recherche Biomédicale-Groupe de Recherche Clinique Groupe d'Étude des Maladies Infectieuses Néonatales et Infantiles, Université Paris Est (R.C., C.L., C.J.), and the Clinical Research Center (M.M.E.H., C.J.) and the Neonatal Intensive Care Unit (X.D.), Centre Hospitalier Intercommunal de Créteil, Université Paris Est Créteil, Faculté de Santé de Créteil, Créteil, Association Française de Pédiatrie Ambulatoire, Orleans (R.C., C.L.), and the Departments of Pediatric Pulmonology and Allergology (G.L., N.C.) and General Pediatrics (B.H., O.M., C.B.), Children's Hospital, Toulouse University Hospital, Toulouse - all in France; and the Department of Pediatrics, Department Woman-Mother-Child, Lausanne University Hospital, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (F.A.)., Ferrandiz C; From the Department of General Pediatrics, Pediatric Infectious Disease, and Internal Medicine (Z.A., A.G., N.O.), Centre d'Investigations Cliniques, INSERM Unité 1426 (Z.V.), the Pediatric Intensive Care Unit (M. Levy, P.S.), the Pediatric Emergency Department (L.L.), the Department of Microbiology (M.G.-M.), the Neonatal Intensive Care Unit (V.B.), and the Unit of Clinical Epidemiology, INSERM Unité 1123 and Epidémiologie Clinique du Centre d'Investigation Clinique 1426 (K.D., O.A.), Robert-Debré University Hospital, Paris Cité University (Z.A., C.S., A.G., Z.V., M.B., J.F.C., J.T., M.L., P.S., L.L., M.G.-M., V.B., K.D., O.A.), the Departments of General Pediatrics (A.-S.R., M. Lorrot, C.F.) and Pediatric Pulmonology (A.-S.R., M. Lorrot), Armand Trousseau University Hospital, Sorbonne University (A.-S.R., M. Lorrot), the Pediatric Emergency Department (C.S.), the Pediatric Intensive Care Unit (M.B.), and the Department of General Pediatrics and Pediatric Infectious Diseases (C.S., J.F.C., J.T.), Necker-Enfants Malades University Hospital, Saint-Antoine Research Center, INSERM Unité Mixte de Recherche (UMR) S938 (H.C., B.P.), and Assistance Publique-Hôpitaux de Paris (AP-HP), Infection, Antimicrobials, Modeling, and Evolution (IAME) Research Unit, INSERM UMR 1137 (Z.A., L.L., M.G.-M., N.O.), Épidémiologie Clinique et Évaluation Économique Appliqué aux Populations Vulnérables, INSERM UMR 1123 (C.A.), the Center of Research in Epidemiology and Statistics, INSERM UMR 1153 (J.F.C.), and Biodiversity and Epidemiology of Bacterial Pathogens Research Unit, Institut Pasteur (J.T.), Paris Cité University, Paris, Groupe de Pathologie Infectieuse Pédiatrique, Nice (Z.A., M. Lorrot, R.C., C.L., N.O.), the Pediatric Emergency Department (C.A.) and the Department of General Pediatrics (L.P., C.F.D.), Jean Verdier University Hospital, AP-HP de Paris, Bondy, the Department of General Pediatrics, Centre Hospitalier Intercommunal de Créteil (M.S., C.J.), Association Clinique et Thérapeutique Infantile du Val-de-Marne France (R.C., C.L.), Institut Mondor de Recherche Biomédicale-Groupe de Recherche Clinique Groupe d'Étude des Maladies Infectieuses Néonatales et Infantiles, Université Paris Est (R.C., C.L., C.J.), and the Clinical Research Center (M.M.E.H., C.J.) and the Neonatal Intensive Care Unit (X.D.), Centre Hospitalier Intercommunal de Créteil, Université Paris Est Créteil, Faculté de Santé de Créteil, Créteil, Association Française de Pédiatrie Ambulatoire, Orleans (R.C., C.L.), and the Departments of Pediatric Pulmonology and Allergology (G.L., N.C.) and General Pediatrics (B.H., O.M., C.B.), Children's Hospital, Toulouse University Hospital, Toulouse - all in France; and the Department of Pediatrics, Department Woman-Mother-Child, Lausanne University Hospital, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (F.A.)., Giolito A; From the Department of General Pediatrics, Pediatric Infectious Disease, and Internal Medicine (Z.A., A.G., N.O.), Centre d'Investigations Cliniques, INSERM Unité 1426 (Z.V.), the Pediatric Intensive Care Unit (M. Levy, P.S.), the Pediatric Emergency Department (L.L.), the Department of Microbiology (M.G.-M.), the Neonatal Intensive Care Unit (V.B.), and the Unit of Clinical Epidemiology, INSERM Unité 1123 and Epidémiologie Clinique du Centre d'Investigation Clinique 1426 (K.D., O.A.), Robert-Debré University Hospital, Paris Cité University (Z.A., C.S., A.G., Z.V., M.B., J.F.C., J.T., M.L., P.S., L.L., M.G.-M., V.B., K.D., O.A.), the Departments of General Pediatrics (A.-S.R., M. Lorrot, C.F.) and Pediatric Pulmonology (A.-S.R., M. Lorrot), Armand Trousseau University Hospital, Sorbonne University (A.-S.R., M. Lorrot), the Pediatric Emergency Department (C.S.), the Pediatric Intensive Care Unit (M.B.), and the Department of General Pediatrics and Pediatric Infectious Diseases (C.S., J.F.C., J.T.), Necker-Enfants Malades University Hospital, Saint-Antoine Research Center, INSERM Unité Mixte de Recherche (UMR) S938 (H.C., B.P.), and Assistance Publique-Hôpitaux de Paris (AP-HP), Infection, Antimicrobials, Modeling, and Evolution (IAME) Research Unit, INSERM UMR 1137 (Z.A., L.L., M.G.-M., N.O.), Épidémiologie Clinique et Évaluation Économique Appliqué aux Populations Vulnérables, INSERM UMR 1123 (C.A.), the Center of Research in Epidemiology and Statistics, INSERM UMR 1153 (J.F.C.), and Biodiversity and Epidemiology of Bacterial Pathogens Research Unit, Institut Pasteur (J.T.), Paris Cité University, Paris, Groupe de Pathologie Infectieuse Pédiatrique, Nice (Z.A., M. Lorrot, R.C., C.L., N.O.), the Pediatric Emergency Department (C.A.) and the Department of General Pediatrics (L.P., C.F.D.), Jean Verdier University Hospital, AP-HP de Paris, Bondy, the Department of General Pediatrics, Centre Hospitalier Intercommunal de Créteil (M.S., C.J.), Association Clinique et Thérapeutique Infantile du Val-de-Marne France (R.C., C.L.), Institut Mondor de Recherche Biomédicale-Groupe de Recherche Clinique Groupe d'Étude des Maladies Infectieuses Néonatales et Infantiles, Université Paris Est (R.C., C.L., C.J.), and the Clinical Research Center (M.M.E.H., C.J.) and the Neonatal Intensive Care Unit (X.D.), Centre Hospitalier Intercommunal de Créteil, Université Paris Est Créteil, Faculté de Santé de Créteil, Créteil, Association Française de Pédiatrie Ambulatoire, Orleans (R.C., C.L.), and the Departments of Pediatric Pulmonology and Allergology (G.L., N.C.) and General Pediatrics (B.H., O.M., C.B.), Children's Hospital, Toulouse University Hospital, Toulouse - all in France; and the Department of Pediatrics, Department Woman-Mother-Child, Lausanne University Hospital, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (F.A.)., Valtuille Z; From the Department of General Pediatrics, Pediatric Infectious Disease, and Internal Medicine (Z.A., A.G., N.O.), Centre d'Investigations Cliniques, INSERM Unité 1426 (Z.V.), the Pediatric Intensive Care Unit (M. Levy, P.S.), the Pediatric Emergency Department (L.L.), the Department of Microbiology (M.G.-M.), the Neonatal Intensive Care Unit (V.B.), and the Unit of Clinical Epidemiology, INSERM Unité 1123 and Epidémiologie Clinique du Centre d'Investigation Clinique 1426 (K.D., O.A.), Robert-Debré University Hospital, Paris Cité University (Z.A., C.S., A.G., Z.V., M.B., J.F.C., J.T., M.L., P.S., L.L., M.G.-M., V.B., K.D., O.A.), the Departments of General Pediatrics (A.-S.R., M. Lorrot, C.F.) and Pediatric Pulmonology (A.-S.R., M. Lorrot), Armand Trousseau University Hospital, Sorbonne University (A.-S.R., M. Lorrot), the Pediatric Emergency Department (C.S.), the Pediatric Intensive Care Unit (M.B.), and the Department of General Pediatrics and Pediatric Infectious Diseases (C.S., J.F.C., J.T.), Necker-Enfants Malades University Hospital, Saint-Antoine Research Center, INSERM Unité Mixte de Recherche (UMR) S938 (H.C., B.P.), and Assistance Publique-Hôpitaux de Paris (AP-HP), Infection, Antimicrobials, Modeling, and Evolution (IAME) Research Unit, INSERM UMR 1137 (Z.A., L.L., M.G.-M., N.O.), Épidémiologie Clinique et Évaluation Économique Appliqué aux Populations Vulnérables, INSERM UMR 1123 (C.A.), the Center of Research in Epidemiology and Statistics, INSERM UMR 1153 (J.F.C.), and Biodiversity and Epidemiology of Bacterial Pathogens Research Unit, Institut Pasteur (J.T.), Paris Cité University, Paris, Groupe de Pathologie Infectieuse Pédiatrique, Nice (Z.A., M. Lorrot, R.C., C.L., N.O.), the Pediatric Emergency Department (C.A.) and the Department of General Pediatrics (L.P., C.F.D.), Jean Verdier University Hospital, AP-HP de Paris, Bondy, the Department of General Pediatrics, Centre Hospitalier Intercommunal de Créteil (M.S., C.J.), Association Clinique et Thérapeutique Infantile du Val-de-Marne France (R.C., C.L.), Institut Mondor de Recherche Biomédicale-Groupe de Recherche Clinique Groupe d'Étude des Maladies Infectieuses Néonatales et Infantiles, Université Paris Est (R.C., C.L., C.J.), and the Clinical Research Center (M.M.E.H., C.J.) and the Neonatal Intensive Care Unit (X.D.), Centre Hospitalier Intercommunal de Créteil, Université Paris Est Créteil, Faculté de Santé de Créteil, Créteil, Association Française de Pédiatrie Ambulatoire, Orleans (R.C., C.L.), and the Departments of Pediatric Pulmonology and Allergology (G.L., N.C.) and General Pediatrics (B.H., O.M., C.B.), Children's Hospital, Toulouse University Hospital, Toulouse - all in France; and the Department of Pediatrics, Department Woman-Mother-Child, Lausanne University Hospital, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (F.A.)., Bendavid M; From the Department of General Pediatrics, Pediatric Infectious Disease, and Internal Medicine (Z.A., A.G., N.O.), Centre d'Investigations Cliniques, INSERM Unité 1426 (Z.V.), the Pediatric Intensive Care Unit (M. Levy, P.S.), the Pediatric Emergency Department (L.L.), the Department of Microbiology (M.G.-M.), the Neonatal Intensive Care Unit (V.B.), and the Unit of Clinical Epidemiology, INSERM Unité 1123 and Epidémiologie Clinique du Centre d'Investigation Clinique 1426 (K.D., O.A.), Robert-Debré University Hospital, Paris Cité University (Z.A., C.S., A.G., Z.V., M.B., J.F.C., J.T., M.L., P.S., L.L., M.G.-M., V.B., K.D., O.A.), the Departments of General Pediatrics (A.-S.R., M. Lorrot, C.F.) and Pediatric Pulmonology (A.-S.R., M. Lorrot), Armand Trousseau University Hospital, Sorbonne University (A.-S.R., M. Lorrot), the Pediatric Emergency Department (C.S.), the Pediatric Intensive Care Unit (M.B.), and the Department of General Pediatrics and Pediatric Infectious Diseases (C.S., J.F.C., J.T.), Necker-Enfants Malades University Hospital, Saint-Antoine Research Center, INSERM Unité Mixte de Recherche (UMR) S938 (H.C., B.P.), and Assistance Publique-Hôpitaux de Paris (AP-HP), Infection, Antimicrobials, Modeling, and Evolution (IAME) Research Unit, INSERM UMR 1137 (Z.A., L.L., M.G.-M., N.O.), Épidémiologie Clinique et Évaluation Économique Appliqué aux Populations Vulnérables, INSERM UMR 1123 (C.A.), the Center of Research in Epidemiology and Statistics, INSERM UMR 1153 (J.F.C.), and Biodiversity and Epidemiology of Bacterial Pathogens Research Unit, Institut Pasteur (J.T.), Paris Cité University, Paris, Groupe de Pathologie Infectieuse Pédiatrique, Nice (Z.A., M. Lorrot, R.C., C.L., N.O.), the Pediatric Emergency Department (C.A.) and the Department of General Pediatrics (L.P., C.F.D.), Jean Verdier University Hospital, AP-HP de Paris, Bondy, the Department of General Pediatrics, Centre Hospitalier Intercommunal de Créteil (M.S., C.J.), Association Clinique et Thérapeutique Infantile du Val-de-Marne France (R.C., C.L.), Institut Mondor de Recherche Biomédicale-Groupe de Recherche Clinique Groupe d'Étude des Maladies Infectieuses Néonatales et Infantiles, Université Paris Est (R.C., C.L., C.J.), and the Clinical Research Center (M.M.E.H., C.J.) and the Neonatal Intensive Care Unit (X.D.), Centre Hospitalier Intercommunal de Créteil, Université Paris Est Créteil, Faculté de Santé de Créteil, Créteil, Association Française de Pédiatrie Ambulatoire, Orleans (R.C., C.L.), and the Departments of Pediatric Pulmonology and Allergology (G.L., N.C.) and General Pediatrics (B.H., O.M., C.B.), Children's Hospital, Toulouse University Hospital, Toulouse - all in France; and the Department of Pediatrics, Department Woman-Mother-Child, Lausanne University Hospital, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (F.A.)., Cohen JF; From the Department of General Pediatrics, Pediatric Infectious Disease, and Internal Medicine (Z.A., A.G., N.O.), Centre d'Investigations Cliniques, INSERM Unité 1426 (Z.V.), the Pediatric Intensive Care Unit (M. Levy, P.S.), the Pediatric Emergency Department (L.L.), the Department of Microbiology (M.G.-M.), the Neonatal Intensive Care Unit (V.B.), and the Unit of Clinical Epidemiology, INSERM Unité 1123 and Epidémiologie Clinique du Centre d'Investigation Clinique 1426 (K.D., O.A.), Robert-Debré University Hospital, Paris Cité University (Z.A., C.S., A.G., Z.V., M.B., J.F.C., J.T., M.L., P.S., L.L., M.G.-M., V.B., K.D., O.A.), the Departments of General Pediatrics (A.-S.R., M. Lorrot, C.F.) and Pediatric Pulmonology (A.-S.R., M. Lorrot), Armand Trousseau University Hospital, Sorbonne University (A.-S.R., M. Lorrot), the Pediatric Emergency Department (C.S.), the Pediatric Intensive Care Unit (M.B.), and the Department of General Pediatrics and Pediatric Infectious Diseases (C.S., J.F.C., J.T.), Necker-Enfants Malades University Hospital, Saint-Antoine Research Center, INSERM Unité Mixte de Recherche (UMR) S938 (H.C., B.P.), and Assistance Publique-Hôpitaux de Paris (AP-HP), Infection, Antimicrobials, Modeling, and Evolution (IAME) Research Unit, INSERM UMR 1137 (Z.A., L.L., M.G.-M., N.O.), Épidémiologie Clinique et Évaluation Économique Appliqué aux Populations Vulnérables, INSERM UMR 1123 (C.A.), the Center of Research in Epidemiology and Statistics, INSERM UMR 1153 (J.F.C.), and Biodiversity and Epidemiology of Bacterial Pathogens Research Unit, Institut Pasteur (J.T.), Paris Cité University, Paris, Groupe de Pathologie Infectieuse Pédiatrique, Nice (Z.A., M. Lorrot, R.C., C.L., N.O.), the Pediatric Emergency Department (C.A.) and the Department of General Pediatrics (L.P., C.F.D.), Jean Verdier University Hospital, AP-HP de Paris, Bondy, the Department of General Pediatrics, Centre Hospitalier Intercommunal de Créteil (M.S., C.J.), Association Clinique et Thérapeutique Infantile du Val-de-Marne France (R.C., C.L.), Institut Mondor de Recherche Biomédicale-Groupe de Recherche Clinique Groupe d'Étude des Maladies Infectieuses Néonatales et Infantiles, Université Paris Est (R.C., C.L., C.J.), and the Clinical Research Center (M.M.E.H., C.J.) and the Neonatal Intensive Care Unit (X.D.), Centre Hospitalier Intercommunal de Créteil, Université Paris Est Créteil, Faculté de Santé de Créteil, Créteil, Association Française de Pédiatrie Ambulatoire, Orleans (R.C., C.L.), and the Departments of Pediatric Pulmonology and Allergology (G.L., N.C.) and General Pediatrics (B.H., O.M., C.B.), Children's Hospital, Toulouse University Hospital, Toulouse - all in France; and the Department of Pediatrics, Department Woman-Mother-Child, Lausanne University Hospital, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (F.A.)., Toubiana J; From the Department of General Pediatrics, Pediatric Infectious Disease, and Internal Medicine (Z.A., A.G., N.O.), Centre d'Investigations Cliniques, INSERM Unité 1426 (Z.V.), the Pediatric Intensive Care Unit (M. Levy, P.S.), the Pediatric Emergency Department (L.L.), the Department of Microbiology (M.G.-M.), the Neonatal Intensive Care Unit (V.B.), and the Unit of Clinical Epidemiology, INSERM Unité 1123 and Epidémiologie Clinique du Centre d'Investigation Clinique 1426 (K.D., O.A.), Robert-Debré University Hospital, Paris Cité University (Z.A., C.S., A.G., Z.V., M.B., J.F.C., J.T., M.L., P.S., L.L., M.G.-M., V.B., K.D., O.A.), the Departments of General Pediatrics (A.-S.R., M. Lorrot, C.F.) and Pediatric Pulmonology (A.-S.R., M. Lorrot), Armand Trousseau University Hospital, Sorbonne University (A.-S.R., M. Lorrot), the Pediatric Emergency Department (C.S.), the Pediatric Intensive Care Unit (M.B.), and the Department of General Pediatrics and Pediatric Infectious Diseases (C.S., J.F.C., J.T.), Necker-Enfants Malades University Hospital, Saint-Antoine Research Center, INSERM Unité Mixte de Recherche (UMR) S938 (H.C., B.P.), and Assistance Publique-Hôpitaux de Paris (AP-HP), Infection, Antimicrobials, Modeling, and Evolution (IAME) Research Unit, INSERM UMR 1137 (Z.A., L.L., M.G.-M., N.O.), Épidémiologie Clinique et Évaluation Économique Appliqué aux Populations Vulnérables, INSERM UMR 1123 (C.A.), the Center of Research in Epidemiology and Statistics, INSERM UMR 1153 (J.F.C.), and Biodiversity and Epidemiology of Bacterial Pathogens Research Unit, Institut Pasteur (J.T.), Paris Cité University, Paris, Groupe de Pathologie Infectieuse Pédiatrique, Nice (Z.A., M. Lorrot, R.C., C.L., N.O.), the Pediatric Emergency Department (C.A.) and the Department of General Pediatrics (L.P., C.F.D.), Jean Verdier University Hospital, AP-HP de Paris, Bondy, the Department of General Pediatrics, Centre Hospitalier Intercommunal de Créteil (M.S., C.J.), Association Clinique et Thérapeutique Infantile du Val-de-Marne France (R.C., C.L.), Institut Mondor de Recherche Biomédicale-Groupe de Recherche Clinique Groupe d'Étude des Maladies Infectieuses Néonatales et Infantiles, Université Paris Est (R.C., C.L., C.J.), and the Clinical Research Center (M.M.E.H., C.J.) and the Neonatal Intensive Care Unit (X.D.), Centre Hospitalier Intercommunal de Créteil, Université Paris Est Créteil, Faculté de Santé de Créteil, Créteil, Association Française de Pédiatrie Ambulatoire, Orleans (R.C., C.L.), and the Departments of Pediatric Pulmonology and Allergology (G.L., N.C.) and General Pediatrics (B.H., O.M., C.B.), Children's Hospital, Toulouse University Hospital, Toulouse - all in France; and the Department of Pediatrics, Department Woman-Mother-Child, Lausanne University Hospital, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (F.A.)., de Pontual L; From the Department of General Pediatrics, Pediatric Infectious Disease, and Internal Medicine (Z.A., A.G., N.O.), Centre d'Investigations Cliniques, INSERM Unité 1426 (Z.V.), the Pediatric Intensive Care Unit (M. Levy, P.S.), the Pediatric Emergency Department (L.L.), the Department of Microbiology (M.G.-M.), the Neonatal Intensive Care Unit (V.B.), and the Unit of Clinical Epidemiology, INSERM Unité 1123 and Epidémiologie Clinique du Centre d'Investigation Clinique 1426 (K.D., O.A.), Robert-Debré University Hospital, Paris Cité University (Z.A., C.S., A.G., Z.V., M.B., J.F.C., J.T., M.L., P.S., L.L., M.G.-M., V.B., K.D., O.A.), the Departments of General Pediatrics (A.-S.R., M. Lorrot, C.F.) and Pediatric Pulmonology (A.-S.R., M. Lorrot), Armand Trousseau University Hospital, Sorbonne University (A.-S.R., M. Lorrot), the Pediatric Emergency Department (C.S.), the Pediatric Intensive Care Unit (M.B.), and the Department of General Pediatrics and Pediatric Infectious Diseases (C.S., J.F.C., J.T.), Necker-Enfants Malades University Hospital, Saint-Antoine Research Center, INSERM Unité Mixte de Recherche (UMR) S938 (H.C., B.P.), and Assistance Publique-Hôpitaux de Paris (AP-HP), Infection, Antimicrobials, Modeling, and Evolution (IAME) Research Unit, INSERM UMR 1137 (Z.A., L.L., M.G.-M., N.O.), Épidémiologie Clinique et Évaluation Économique Appliqué aux Populations Vulnérables, INSERM UMR 1123 (C.A.), the Center of Research in Epidemiology and Statistics, INSERM UMR 1153 (J.F.C.), and Biodiversity and Epidemiology of Bacterial Pathogens Research Unit, Institut Pasteur (J.T.), Paris Cité University, Paris, Groupe de Pathologie Infectieuse Pédiatrique, Nice (Z.A., M. Lorrot, R.C., C.L., N.O.), the Pediatric Emergency Department (C.A.) and the Department of General Pediatrics (L.P., C.F.D.), Jean Verdier University Hospital, AP-HP de Paris, Bondy, the Department of General Pediatrics, Centre Hospitalier Intercommunal de Créteil (M.S., C.J.), Association Clinique et Thérapeutique Infantile du Val-de-Marne France (R.C., C.L.), Institut Mondor de Recherche Biomédicale-Groupe de Recherche Clinique Groupe d'Étude des Maladies Infectieuses Néonatales et Infantiles, Université Paris Est (R.C., C.L., C.J.), and the Clinical Research Center (M.M.E.H., C.J.) and the Neonatal Intensive Care Unit (X.D.), Centre Hospitalier Intercommunal de Créteil, Université Paris Est Créteil, Faculté de Santé de Créteil, Créteil, Association Française de Pédiatrie Ambulatoire, Orleans (R.C., C.L.), and the Departments of Pediatric Pulmonology and Allergology (G.L., N.C.) and General Pediatrics (B.H., O.M., C.B.), Children's Hospital, Toulouse University Hospital, Toulouse - all in France; and the Department of Pediatrics, Department Woman-Mother-Child, Lausanne University Hospital, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (F.A.)., Delande CF; From the Department of General Pediatrics, Pediatric Infectious Disease, and Internal Medicine (Z.A., A.G., N.O.), Centre d'Investigations Cliniques, INSERM Unité 1426 (Z.V.), the Pediatric Intensive Care Unit (M. Levy, P.S.), the Pediatric Emergency Department (L.L.), the Department of Microbiology (M.G.-M.), the Neonatal Intensive Care Unit (V.B.), and the Unit of Clinical Epidemiology, INSERM Unité 1123 and Epidémiologie Clinique du Centre d'Investigation Clinique 1426 (K.D., O.A.), Robert-Debré University Hospital, Paris Cité University (Z.A., C.S., A.G., Z.V., M.B., J.F.C., J.T., M.L., P.S., L.L., M.G.-M., V.B., K.D., O.A.), the Departments of General Pediatrics (A.-S.R., M. Lorrot, C.F.) and Pediatric Pulmonology (A.-S.R., M. Lorrot), Armand Trousseau University Hospital, Sorbonne University (A.-S.R., M. Lorrot), the Pediatric Emergency Department (C.S.), the Pediatric Intensive Care Unit (M.B.), and the Department of General Pediatrics and Pediatric Infectious Diseases (C.S., J.F.C., J.T.), Necker-Enfants Malades University Hospital, Saint-Antoine Research Center, INSERM Unité Mixte de Recherche (UMR) S938 (H.C., B.P.), and Assistance Publique-Hôpitaux de Paris (AP-HP), Infection, Antimicrobials, Modeling, and Evolution (IAME) Research Unit, INSERM UMR 1137 (Z.A., L.L., M.G.-M., N.O.), Épidémiologie Clinique et Évaluation Économique Appliqué aux Populations Vulnérables, INSERM UMR 1123 (C.A.), the Center of Research in Epidemiology and Statistics, INSERM UMR 1153 (J.F.C.), and Biodiversity and Epidemiology of Bacterial Pathogens Research Unit, Institut Pasteur (J.T.), Paris Cité University, Paris, Groupe de Pathologie Infectieuse Pédiatrique, Nice (Z.A., M. Lorrot, R.C., C.L., N.O.), the Pediatric Emergency Department (C.A.) and the Department of General Pediatrics (L.P., C.F.D.), Jean Verdier University Hospital, AP-HP de Paris, Bondy, the Department of General Pediatrics, Centre Hospitalier Intercommunal de Créteil (M.S., C.J.), Association Clinique et Thérapeutique Infantile du Val-de-Marne France (R.C., C.L.), Institut Mondor de Recherche Biomédicale-Groupe de Recherche Clinique Groupe d'Étude des Maladies Infectieuses Néonatales et Infantiles, Université Paris Est (R.C., C.L., C.J.), and the Clinical Research Center (M.M.E.H., C.J.) and the Neonatal Intensive Care Unit (X.D.), Centre Hospitalier Intercommunal de Créteil, Université Paris Est Créteil, Faculté de Santé de Créteil, Créteil, Association Française de Pédiatrie Ambulatoire, Orleans (R.C., C.L.), and the Departments of Pediatric Pulmonology and Allergology (G.L., N.C.) and General Pediatrics (B.H., O.M., C.B.), Children's Hospital, Toulouse University Hospital, Toulouse - all in France; and the Department of Pediatrics, Department Woman-Mother-Child, Lausanne University Hospital, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (F.A.)., Levy M; From the Department of General Pediatrics, Pediatric Infectious Disease, and Internal Medicine (Z.A., A.G., N.O.), Centre d'Investigations Cliniques, INSERM Unité 1426 (Z.V.), the Pediatric Intensive Care Unit (M. Levy, P.S.), the Pediatric Emergency Department (L.L.), the Department of Microbiology (M.G.-M.), the Neonatal Intensive Care Unit (V.B.), and the Unit of Clinical Epidemiology, INSERM Unité 1123 and Epidémiologie Clinique du Centre d'Investigation Clinique 1426 (K.D., O.A.), Robert-Debré University Hospital, Paris Cité University (Z.A., C.S., A.G., Z.V., M.B., J.F.C., J.T., M.L., P.S., L.L., M.G.-M., V.B., K.D., O.A.), the Departments of General Pediatrics (A.-S.R., M. Lorrot, C.F.) and Pediatric Pulmonology (A.-S.R., M. Lorrot), Armand Trousseau University Hospital, Sorbonne University (A.-S.R., M. Lorrot), the Pediatric Emergency Department (C.S.), the Pediatric Intensive Care Unit (M.B.), and the Department of General Pediatrics and Pediatric Infectious Diseases (C.S., J.F.C., J.T.), Necker-Enfants Malades University Hospital, Saint-Antoine Research Center, INSERM Unité Mixte de Recherche (UMR) S938 (H.C., B.P.), and Assistance Publique-Hôpitaux de Paris (AP-HP), Infection, Antimicrobials, Modeling, and Evolution (IAME) Research Unit, INSERM UMR 1137 (Z.A., L.L., M.G.-M., N.O.), Épidémiologie Clinique et Évaluation Économique Appliqué aux Populations Vulnérables, INSERM UMR 1123 (C.A.), the Center of Research in Epidemiology and Statistics, INSERM UMR 1153 (J.F.C.), and Biodiversity and Epidemiology of Bacterial Pathogens Research Unit, Institut Pasteur (J.T.), Paris Cité University, Paris, Groupe de Pathologie Infectieuse Pédiatrique, Nice (Z.A., M. Lorrot, R.C., C.L., N.O.), the Pediatric Emergency Department (C.A.) and the Department of General Pediatrics (L.P., C.F.D.), Jean Verdier University Hospital, AP-HP de Paris, Bondy, the Department of General Pediatrics, Centre Hospitalier Intercommunal de Créteil (M.S., C.J.), Association Clinique et Thérapeutique Infantile du Val-de-Marne France (R.C., C.L.), Institut Mondor de Recherche Biomédicale-Groupe de Recherche Clinique Groupe d'Étude des Maladies Infectieuses Néonatales et Infantiles, Université Paris Est (R.C., C.L., C.J.), and the Clinical Research Center (M.M.E.H., C.J.) and the Neonatal Intensive Care Unit (X.D.), Centre Hospitalier Intercommunal de Créteil, Université Paris Est Créteil, Faculté de Santé de Créteil, Créteil, Association Française de Pédiatrie Ambulatoire, Orleans (R.C., C.L.), and the Departments of Pediatric Pulmonology and Allergology (G.L., N.C.) and General Pediatrics (B.H., O.M., C.B.), Children's Hospital, Toulouse University Hospital, Toulouse - all in France; and the Department of Pediatrics, Department Woman-Mother-Child, Lausanne University Hospital, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (F.A.)., See P; From the Department of General Pediatrics, Pediatric Infectious Disease, and Internal Medicine (Z.A., A.G., N.O.), Centre d'Investigations Cliniques, INSERM Unité 1426 (Z.V.), the Pediatric Intensive Care Unit (M. Levy, P.S.), the Pediatric Emergency Department (L.L.), the Department of Microbiology (M.G.-M.), the Neonatal Intensive Care Unit (V.B.), and the Unit of Clinical Epidemiology, INSERM Unité 1123 and Epidémiologie Clinique du Centre d'Investigation Clinique 1426 (K.D., O.A.), Robert-Debré University Hospital, Paris Cité University (Z.A., C.S., A.G., Z.V., M.B., J.F.C., J.T., M.L., P.S., L.L., M.G.-M., V.B., K.D., O.A.), the Departments of General Pediatrics (A.-S.R., M. Lorrot, C.F.) and Pediatric Pulmonology (A.-S.R., M. Lorrot), Armand Trousseau University Hospital, Sorbonne University (A.-S.R., M. Lorrot), the Pediatric Emergency Department (C.S.), the Pediatric Intensive Care Unit (M.B.), and the Department of General Pediatrics and Pediatric Infectious Diseases (C.S., J.F.C., J.T.), Necker-Enfants Malades University Hospital, Saint-Antoine Research Center, INSERM Unité Mixte de Recherche (UMR) S938 (H.C., B.P.), and Assistance Publique-Hôpitaux de Paris (AP-HP), Infection, Antimicrobials, Modeling, and Evolution (IAME) Research Unit, INSERM UMR 1137 (Z.A., L.L., M.G.-M., N.O.), Épidémiologie Clinique et Évaluation Économique Appliqué aux Populations Vulnérables, INSERM UMR 1123 (C.A.), the Center of Research in Epidemiology and Statistics, INSERM UMR 1153 (J.F.C.), and Biodiversity and Epidemiology of Bacterial Pathogens Research Unit, Institut Pasteur (J.T.), Paris Cité University, Paris, Groupe de Pathologie Infectieuse Pédiatrique, Nice (Z.A., M. Lorrot, R.C., C.L., N.O.), the Pediatric Emergency Department (C.A.) and the Department of General Pediatrics (L.P., C.F.D.), Jean Verdier University Hospital, AP-HP de Paris, Bondy, the Department of General Pediatrics, Centre Hospitalier Intercommunal de Créteil (M.S., C.J.), Association Clinique et Thérapeutique Infantile du Val-de-Marne France (R.C., C.L.), Institut Mondor de Recherche Biomédicale-Groupe de Recherche Clinique Groupe d'Étude des Maladies Infectieuses Néonatales et Infantiles, Université Paris Est (R.C., C.L., C.J.), and the Clinical Research Center (M.M.E.H., C.J.) and the Neonatal Intensive Care Unit (X.D.), Centre Hospitalier Intercommunal de Créteil, Université Paris Est Créteil, Faculté de Santé de Créteil, Créteil, Association Française de Pédiatrie Ambulatoire, Orleans (R.C., C.L.), and the Departments of Pediatric Pulmonology and Allergology (G.L., N.C.) and General Pediatrics (B.H., O.M., C.B.), Children's Hospital, Toulouse University Hospital, Toulouse - all in France; and the Department of Pediatrics, Department Woman-Mother-Child, Lausanne University Hospital, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (F.A.)., Cohen R; From the Department of General Pediatrics, Pediatric Infectious Disease, and Internal Medicine (Z.A., A.G., N.O.), Centre d'Investigations Cliniques, INSERM Unité 1426 (Z.V.), the Pediatric Intensive Care Unit (M. Levy, P.S.), the Pediatric Emergency Department (L.L.), the Department of Microbiology (M.G.-M.), the Neonatal Intensive Care Unit (V.B.), and the Unit of Clinical Epidemiology, INSERM Unité 1123 and Epidémiologie Clinique du Centre d'Investigation Clinique 1426 (K.D., O.A.), Robert-Debré University Hospital, Paris Cité University (Z.A., C.S., A.G., Z.V., M.B., J.F.C., J.T., M.L., P.S., L.L., M.G.-M., V.B., K.D., O.A.), the Departments of General Pediatrics (A.-S.R., M. Lorrot, C.F.) and Pediatric Pulmonology (A.-S.R., M. Lorrot), Armand Trousseau University Hospital, Sorbonne University (A.-S.R., M. Lorrot), the Pediatric Emergency Department (C.S.), the Pediatric Intensive Care Unit (M.B.), and the Department of General Pediatrics and Pediatric Infectious Diseases (C.S., J.F.C., J.T.), Necker-Enfants Malades University Hospital, Saint-Antoine Research Center, INSERM Unité Mixte de Recherche (UMR) S938 (H.C., B.P.), and Assistance Publique-Hôpitaux de Paris (AP-HP), Infection, Antimicrobials, Modeling, and Evolution (IAME) Research Unit, INSERM UMR 1137 (Z.A., L.L., M.G.-M., N.O.), Épidémiologie Clinique et Évaluation Économique Appliqué aux Populations Vulnérables, INSERM UMR 1123 (C.A.), the Center of Research in Epidemiology and Statistics, INSERM UMR 1153 (J.F.C.), and Biodiversity and Epidemiology of Bacterial Pathogens Research Unit, Institut Pasteur (J.T.), Paris Cité University, Paris, Groupe de Pathologie Infectieuse Pédiatrique, Nice (Z.A., M. Lorrot, R.C., C.L., N.O.), the Pediatric Emergency Department (C.A.) and the Department of General Pediatrics (L.P., C.F.D.), Jean Verdier University Hospital, AP-HP de Paris, Bondy, the Department of General Pediatrics, Centre Hospitalier Intercommunal de Créteil (M.S., C.J.), Association Clinique et Thérapeutique Infantile du Val-de-Marne France (R.C., C.L.), Institut Mondor de Recherche Biomédicale-Groupe de Recherche Clinique Groupe d'Étude des Maladies Infectieuses Néonatales et Infantiles, Université Paris Est (R.C., C.L., C.J.), and the Clinical Research Center (M.M.E.H., C.J.) and the Neonatal Intensive Care Unit (X.D.), Centre Hospitalier Intercommunal de Créteil, Université Paris Est Créteil, Faculté de Santé de Créteil, Créteil, Association Française de Pédiatrie Ambulatoire, Orleans (R.C., C.L.), and the Departments of Pediatric Pulmonology and Allergology (G.L., N.C.) and General Pediatrics (B.H., O.M., C.B.), Children's Hospital, Toulouse University Hospital, Toulouse - all in France; and the Department of Pediatrics, Department Woman-Mother-Child, Lausanne University Hospital, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (F.A.)., Levy C; From the Department of General Pediatrics, Pediatric Infectious Disease, and Internal Medicine (Z.A., A.G., N.O.), Centre d'Investigations Cliniques, INSERM Unité 1426 (Z.V.), the Pediatric Intensive Care Unit (M. Levy, P.S.), the Pediatric Emergency Department (L.L.), the Department of Microbiology (M.G.-M.), the Neonatal Intensive Care Unit (V.B.), and the Unit of Clinical Epidemiology, INSERM Unité 1123 and Epidémiologie Clinique du Centre d'Investigation Clinique 1426 (K.D., O.A.), Robert-Debré University Hospital, Paris Cité University (Z.A., C.S., A.G., Z.V., M.B., J.F.C., J.T., M.L., P.S., L.L., M.G.-M., V.B., K.D., O.A.), the Departments of General Pediatrics (A.-S.R., M. Lorrot, C.F.) and Pediatric Pulmonology (A.-S.R., M. Lorrot), Armand Trousseau University Hospital, Sorbonne University (A.-S.R., M. Lorrot), the Pediatric Emergency Department (C.S.), the Pediatric Intensive Care Unit (M.B.), and the Department of General Pediatrics and Pediatric Infectious Diseases (C.S., J.F.C., J.T.), Necker-Enfants Malades University Hospital, Saint-Antoine Research Center, INSERM Unité Mixte de Recherche (UMR) S938 (H.C., B.P.), and Assistance Publique-Hôpitaux de Paris (AP-HP), Infection, Antimicrobials, Modeling, and Evolution (IAME) Research Unit, INSERM UMR 1137 (Z.A., L.L., M.G.-M., N.O.), Épidémiologie Clinique et Évaluation Économique Appliqué aux Populations Vulnérables, INSERM UMR 1123 (C.A.), the Center of Research in Epidemiology and Statistics, INSERM UMR 1153 (J.F.C.), and Biodiversity and Epidemiology of Bacterial Pathogens Research Unit, Institut Pasteur (J.T.), Paris Cité University, Paris, Groupe de Pathologie Infectieuse Pédiatrique, Nice (Z.A., M. Lorrot, R.C., C.L., N.O.), the Pediatric Emergency Department (C.A.) and the Department of General Pediatrics (L.P., C.F.D.), Jean Verdier University Hospital, AP-HP de Paris, Bondy, the Department of General Pediatrics, Centre Hospitalier Intercommunal de Créteil (M.S., C.J.), Association Clinique et Thérapeutique Infantile du Val-de-Marne France (R.C., C.L.), Institut Mondor de Recherche Biomédicale-Groupe de Recherche Clinique Groupe d'Étude des Maladies Infectieuses Néonatales et Infantiles, Université Paris Est (R.C., C.L., C.J.), and the Clinical Research Center (M.M.E.H., C.J.) and the Neonatal Intensive Care Unit (X.D.), Centre Hospitalier Intercommunal de Créteil, Université Paris Est Créteil, Faculté de Santé de Créteil, Créteil, Association Française de Pédiatrie Ambulatoire, Orleans (R.C., C.L.), and the Departments of Pediatric Pulmonology and Allergology (G.L., N.C.) and General Pediatrics (B.H., O.M., C.B.), Children's Hospital, Toulouse University Hospital, Toulouse - all in France; and the Department of Pediatrics, Department Woman-Mother-Child, Lausanne University Hospital, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (F.A.)., Angoulvant F; From the Department of General Pediatrics, Pediatric Infectious Disease, and Internal Medicine (Z.A., A.G., N.O.), Centre d'Investigations Cliniques, INSERM Unité 1426 (Z.V.), the Pediatric Intensive Care Unit (M. Levy, P.S.), the Pediatric Emergency Department (L.L.), the Department of Microbiology (M.G.-M.), the Neonatal Intensive Care Unit (V.B.), and the Unit of Clinical Epidemiology, INSERM Unité 1123 and Epidémiologie Clinique du Centre d'Investigation Clinique 1426 (K.D., O.A.), Robert-Debré University Hospital, Paris Cité University (Z.A., C.S., A.G., Z.V., M.B., J.F.C., J.T., M.L., P.S., L.L., M.G.-M., V.B., K.D., O.A.), the Departments of General Pediatrics (A.-S.R., M. Lorrot, C.F.) and Pediatric Pulmonology (A.-S.R., M. Lorrot), Armand Trousseau University Hospital, Sorbonne University (A.-S.R., M. Lorrot), the Pediatric Emergency Department (C.S.), the Pediatric Intensive Care Unit (M.B.), and the Department of General Pediatrics and Pediatric Infectious Diseases (C.S., J.F.C., J.T.), Necker-Enfants Malades University Hospital, Saint-Antoine Research Center, INSERM Unité Mixte de Recherche (UMR) S938 (H.C., B.P.), and Assistance Publique-Hôpitaux de Paris (AP-HP), Infection, Antimicrobials, Modeling, and Evolution (IAME) Research Unit, INSERM UMR 1137 (Z.A., L.L., M.G.-M., N.O.), Épidémiologie Clinique et Évaluation Économique Appliqué aux Populations Vulnérables, INSERM UMR 1123 (C.A.), the Center of Research in Epidemiology and Statistics, INSERM UMR 1153 (J.F.C.), and Biodiversity and Epidemiology of Bacterial Pathogens Research Unit, Institut Pasteur (J.T.), Paris Cité University, Paris, Groupe de Pathologie Infectieuse Pédiatrique, Nice (Z.A., M. Lorrot, R.C., C.L., N.O.), the Pediatric Emergency Department (C.A.) and the Department of General Pediatrics (L.P., C.F.D.), Jean Verdier University Hospital, AP-HP de Paris, Bondy, the Department of General Pediatrics, Centre Hospitalier Intercommunal de Créteil (M.S., C.J.), Association Clinique et Thérapeutique Infantile du Val-de-Marne France (R.C., C.L.), Institut Mondor de Recherche Biomédicale-Groupe de Recherche Clinique Groupe d'Étude des Maladies Infectieuses Néonatales et Infantiles, Université Paris Est (R.C., C.L., C.J.), and the Clinical Research Center (M.M.E.H., C.J.) and the Neonatal Intensive Care Unit (X.D.), Centre Hospitalier Intercommunal de Créteil, Université Paris Est Créteil, Faculté de Santé de Créteil, Créteil, Association Française de Pédiatrie Ambulatoire, Orleans (R.C., C.L.), and the Departments of Pediatric Pulmonology and Allergology (G.L., N.C.) and General Pediatrics (B.H., O.M., C.B.), Children's Hospital, Toulouse University Hospital, Toulouse - all in France; and the Department of Pediatrics, Department Woman-Mother-Child, Lausanne University Hospital, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (F.A.)., Lenglart L; From the Department of General Pediatrics, Pediatric Infectious Disease, and Internal Medicine (Z.A., A.G., N.O.), Centre d'Investigations Cliniques, INSERM Unité 1426 (Z.V.), the Pediatric Intensive Care Unit (M. Levy, P.S.), the Pediatric Emergency Department (L.L.), the Department of Microbiology (M.G.-M.), the Neonatal Intensive Care Unit (V.B.), and the Unit of Clinical Epidemiology, INSERM Unité 1123 and Epidémiologie Clinique du Centre d'Investigation Clinique 1426 (K.D., O.A.), Robert-Debré University Hospital, Paris Cité University (Z.A., C.S., A.G., Z.V., M.B., J.F.C., J.T., M.L., P.S., L.L., M.G.-M., V.B., K.D., O.A.), the Departments of General Pediatrics (A.-S.R., M. Lorrot, C.F.) and Pediatric Pulmonology (A.-S.R., M. Lorrot), Armand Trousseau University Hospital, Sorbonne University (A.-S.R., M. Lorrot), the Pediatric Emergency Department (C.S.), the Pediatric Intensive Care Unit (M.B.), and the Department of General Pediatrics and Pediatric Infectious Diseases (C.S., J.F.C., J.T.), Necker-Enfants Malades University Hospital, Saint-Antoine Research Center, INSERM Unité Mixte de Recherche (UMR) S938 (H.C., B.P.), and Assistance Publique-Hôpitaux de Paris (AP-HP), Infection, Antimicrobials, Modeling, and Evolution (IAME) Research Unit, INSERM UMR 1137 (Z.A., L.L., M.G.-M., N.O.), Épidémiologie Clinique et Évaluation Économique Appliqué aux Populations Vulnérables, INSERM UMR 1123 (C.A.), the Center of Research in Epidemiology and Statistics, INSERM UMR 1153 (J.F.C.), and Biodiversity and Epidemiology of Bacterial Pathogens Research Unit, Institut Pasteur (J.T.), Paris Cité University, Paris, Groupe de Pathologie Infectieuse Pédiatrique, Nice (Z.A., M. Lorrot, R.C., C.L., N.O.), the Pediatric Emergency Department (C.A.) and the Department of General Pediatrics (L.P., C.F.D.), Jean Verdier University Hospital, AP-HP de Paris, Bondy, the Department of General Pediatrics, Centre Hospitalier Intercommunal de Créteil (M.S., C.J.), Association Clinique et Thérapeutique Infantile du Val-de-Marne France (R.C., C.L.), Institut Mondor de Recherche Biomédicale-Groupe de Recherche Clinique Groupe d'Étude des Maladies Infectieuses Néonatales et Infantiles, Université Paris Est (R.C., C.L., C.J.), and the Clinical Research Center (M.M.E.H., C.J.) and the Neonatal Intensive Care Unit (X.D.), Centre Hospitalier Intercommunal de Créteil, Université Paris Est Créteil, Faculté de Santé de Créteil, Créteil, Association Française de Pédiatrie Ambulatoire, Orleans (R.C., C.L.), and the Departments of Pediatric Pulmonology and Allergology (G.L., N.C.) and General Pediatrics (B.H., O.M., C.B.), Children's Hospital, Toulouse University Hospital, Toulouse - all in France; and the Department of Pediatrics, Department Woman-Mother-Child, Lausanne University Hospital, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (F.A.)., Gits-Muselli M; From the Department of General Pediatrics, Pediatric Infectious Disease, and Internal Medicine (Z.A., A.G., N.O.), Centre d'Investigations Cliniques, INSERM Unité 1426 (Z.V.), the Pediatric Intensive Care Unit (M. Levy, P.S.), the Pediatric Emergency Department (L.L.), the Department of Microbiology (M.G.-M.), the Neonatal Intensive Care Unit (V.B.), and the Unit of Clinical Epidemiology, INSERM Unité 1123 and Epidémiologie Clinique du Centre d'Investigation Clinique 1426 (K.D., O.A.), Robert-Debré University Hospital, Paris Cité University (Z.A., C.S., A.G., Z.V., M.B., J.F.C., J.T., M.L., P.S., L.L., M.G.-M., V.B., K.D., O.A.), the Departments of General Pediatrics (A.-S.R., M. Lorrot, C.F.) and Pediatric Pulmonology (A.-S.R., M. Lorrot), Armand Trousseau University Hospital, Sorbonne University (A.-S.R., M. Lorrot), the Pediatric Emergency Department (C.S.), the Pediatric Intensive Care Unit (M.B.), and the Department of General Pediatrics and Pediatric Infectious Diseases (C.S., J.F.C., J.T.), Necker-Enfants Malades University Hospital, Saint-Antoine Research Center, INSERM Unité Mixte de Recherche (UMR) S938 (H.C., B.P.), and Assistance Publique-Hôpitaux de Paris (AP-HP), Infection, Antimicrobials, Modeling, and Evolution (IAME) Research Unit, INSERM UMR 1137 (Z.A., L.L., M.G.-M., N.O.), Épidémiologie Clinique et Évaluation Économique Appliqué aux Populations Vulnérables, INSERM UMR 1123 (C.A.), the Center of Research in Epidemiology and Statistics, INSERM UMR 1153 (J.F.C.), and Biodiversity and Epidemiology of Bacterial Pathogens Research Unit, Institut Pasteur (J.T.), Paris Cité University, Paris, Groupe de Pathologie Infectieuse Pédiatrique, Nice (Z.A., M. Lorrot, R.C., C.L., N.O.), the Pediatric Emergency Department (C.A.) and the Department of General Pediatrics (L.P., C.F.D.), Jean Verdier University Hospital, AP-HP de Paris, Bondy, the Department of General Pediatrics, Centre Hospitalier Intercommunal de Créteil (M.S., C.J.), Association Clinique et Thérapeutique Infantile du Val-de-Marne France (R.C., C.L.), Institut Mondor de Recherche Biomédicale-Groupe de Recherche Clinique Groupe d'Étude des Maladies Infectieuses Néonatales et Infantiles, Université Paris Est (R.C., C.L., C.J.), and the Clinical Research Center (M.M.E.H., C.J.) and the Neonatal Intensive Care Unit (X.D.), Centre Hospitalier Intercommunal de Créteil, Université Paris Est Créteil, Faculté de Santé de Créteil, Créteil, Association Française de Pédiatrie Ambulatoire, Orleans (R.C., C.L.), and the Departments of Pediatric Pulmonology and Allergology (G.L., N.C.) and General Pediatrics (B.H., O.M., C.B.), Children's Hospital, Toulouse University Hospital, Toulouse - all in France; and the Department of Pediatrics, Department Woman-Mother-Child, Lausanne University Hospital, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (F.A.)., Biran V; From the Department of General Pediatrics, Pediatric Infectious Disease, and Internal Medicine (Z.A., A.G., N.O.), Centre d'Investigations Cliniques, INSERM Unité 1426 (Z.V.), the Pediatric Intensive Care Unit (M. Levy, P.S.), the Pediatric Emergency Department (L.L.), the Department of Microbiology (M.G.-M.), the Neonatal Intensive Care Unit (V.B.), and the Unit of Clinical Epidemiology, INSERM Unité 1123 and Epidémiologie Clinique du Centre d'Investigation Clinique 1426 (K.D., O.A.), Robert-Debré University Hospital, Paris Cité University (Z.A., C.S., A.G., Z.V., M.B., J.F.C., J.T., M.L., P.S., L.L., M.G.-M., V.B., K.D., O.A.), the Departments of General Pediatrics (A.-S.R., M. Lorrot, C.F.) and Pediatric Pulmonology (A.-S.R., M. Lorrot), Armand Trousseau University Hospital, Sorbonne University (A.-S.R., M. Lorrot), the Pediatric Emergency Department (C.S.), the Pediatric Intensive Care Unit (M.B.), and the Department of General Pediatrics and Pediatric Infectious Diseases (C.S., J.F.C., J.T.), Necker-Enfants Malades University Hospital, Saint-Antoine Research Center, INSERM Unité Mixte de Recherche (UMR) S938 (H.C., B.P.), and Assistance Publique-Hôpitaux de Paris (AP-HP), Infection, Antimicrobials, Modeling, and Evolution (IAME) Research Unit, INSERM UMR 1137 (Z.A., L.L., M.G.-M., N.O.), Épidémiologie Clinique et Évaluation Économique Appliqué aux Populations Vulnérables, INSERM UMR 1123 (C.A.), the Center of Research in Epidemiology and Statistics, INSERM UMR 1153 (J.F.C.), and Biodiversity and Epidemiology of Bacterial Pathogens Research Unit, Institut Pasteur (J.T.), Paris Cité University, Paris, Groupe de Pathologie Infectieuse Pédiatrique, Nice (Z.A., M. Lorrot, R.C., C.L., N.O.), the Pediatric Emergency Department (C.A.) and the Department of General Pediatrics (L.P., C.F.D.), Jean Verdier University Hospital, AP-HP de Paris, Bondy, the Department of General Pediatrics, Centre Hospitalier Intercommunal de Créteil (M.S., C.J.), Association Clinique et Thérapeutique Infantile du Val-de-Marne France (R.C., C.L.), Institut Mondor de Recherche Biomédicale-Groupe de Recherche Clinique Groupe d'Étude des Maladies Infectieuses Néonatales et Infantiles, Université Paris Est (R.C., C.L., C.J.), and the Clinical Research Center (M.M.E.H., C.J.) and the Neonatal Intensive Care Unit (X.D.), Centre Hospitalier Intercommunal de Créteil, Université Paris Est Créteil, Faculté de Santé de Créteil, Créteil, Association Française de Pédiatrie Ambulatoire, Orleans (R.C., C.L.), and the Departments of Pediatric Pulmonology and Allergology (G.L., N.C.) and General Pediatrics (B.H., O.M., C.B.), Children's Hospital, Toulouse University Hospital, Toulouse - all in France; and the Department of Pediatrics, Department Woman-Mother-Child, Lausanne University Hospital, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (F.A.)., Diallo K; From the Department of General Pediatrics, Pediatric Infectious Disease, and Internal Medicine (Z.A., A.G., N.O.), Centre d'Investigations Cliniques, INSERM Unité 1426 (Z.V.), the Pediatric Intensive Care Unit (M. Levy, P.S.), the Pediatric Emergency Department (L.L.), the Department of Microbiology (M.G.-M.), the Neonatal Intensive Care Unit (V.B.), and the Unit of Clinical Epidemiology, INSERM Unité 1123 and Epidémiologie Clinique du Centre d'Investigation Clinique 1426 (K.D., O.A.), Robert-Debré University Hospital, Paris Cité University (Z.A., C.S., A.G., Z.V., M.B., J.F.C., J.T., M.L., P.S., L.L., M.G.-M., V.B., K.D., O.A.), the Departments of General Pediatrics (A.-S.R., M. Lorrot, C.F.) and Pediatric Pulmonology (A.-S.R., M. Lorrot), Armand Trousseau University Hospital, Sorbonne University (A.-S.R., M. Lorrot), the Pediatric Emergency Department (C.S.), the Pediatric Intensive Care Unit (M.B.), and the Department of General Pediatrics and Pediatric Infectious Diseases (C.S., J.F.C., J.T.), Necker-Enfants Malades University Hospital, Saint-Antoine Research Center, INSERM Unité Mixte de Recherche (UMR) S938 (H.C., B.P.), and Assistance Publique-Hôpitaux de Paris (AP-HP), Infection, Antimicrobials, Modeling, and Evolution (IAME) Research Unit, INSERM UMR 1137 (Z.A., L.L., M.G.-M., N.O.), Épidémiologie Clinique et Évaluation Économique Appliqué aux Populations Vulnérables, INSERM UMR 1123 (C.A.), the Center of Research in Epidemiology and Statistics, INSERM UMR 1153 (J.F.C.), and Biodiversity and Epidemiology of Bacterial Pathogens Research Unit, Institut Pasteur (J.T.), Paris Cité University, Paris, Groupe de Pathologie Infectieuse Pédiatrique, Nice (Z.A., M. Lorrot, R.C., C.L., N.O.), the Pediatric Emergency Department (C.A.) and the Department of General Pediatrics (L.P., C.F.D.), Jean Verdier University Hospital, AP-HP de Paris, Bondy, the Department of General Pediatrics, Centre Hospitalier Intercommunal de Créteil (M.S., C.J.), Association Clinique et Thérapeutique Infantile du Val-de-Marne France (R.C., C.L.), Institut Mondor de Recherche Biomédicale-Groupe de Recherche Clinique Groupe d'Étude des Maladies Infectieuses Néonatales et Infantiles, Université Paris Est (R.C., C.L., C.J.), and the Clinical Research Center (M.M.E.H., C.J.) and the Neonatal Intensive Care Unit (X.D.), Centre Hospitalier Intercommunal de Créteil, Université Paris Est Créteil, Faculté de Santé de Créteil, Créteil, Association Française de Pédiatrie Ambulatoire, Orleans (R.C., C.L.), and the Departments of Pediatric Pulmonology and Allergology (G.L., N.C.) and General Pediatrics (B.H., O.M., C.B.), Children's Hospital, Toulouse University Hospital, Toulouse - all in France; and the Department of Pediatrics, Department Woman-Mother-Child, Lausanne University Hospital, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (F.A.)., Alemede O; From the Department of General Pediatrics, Pediatric Infectious Disease, and Internal Medicine (Z.A., A.G., N.O.), Centre d'Investigations Cliniques, INSERM Unité 1426 (Z.V.), the Pediatric Intensive Care Unit (M. Levy, P.S.), the Pediatric Emergency Department (L.L.), the Department of Microbiology (M.G.-M.), the Neonatal Intensive Care Unit (V.B.), and the Unit of Clinical Epidemiology, INSERM Unité 1123 and Epidémiologie Clinique du Centre d'Investigation Clinique 1426 (K.D., O.A.), Robert-Debré University Hospital, Paris Cité University (Z.A., C.S., A.G., Z.V., M.B., J.F.C., J.T., M.L., P.S., L.L., M.G.-M., V.B., K.D., O.A.), the Departments of General Pediatrics (A.-S.R., M. Lorrot, C.F.) and Pediatric Pulmonology (A.-S.R., M. Lorrot), Armand Trousseau University Hospital, Sorbonne University (A.-S.R., M. Lorrot), the Pediatric Emergency Department (C.S.), the Pediatric Intensive Care Unit (M.B.), and the Department of General Pediatrics and Pediatric Infectious Diseases (C.S., J.F.C., J.T.), Necker-Enfants Malades University Hospital, Saint-Antoine Research Center, INSERM Unité Mixte de Recherche (UMR) S938 (H.C., B.P.), and Assistance Publique-Hôpitaux de Paris (AP-HP), Infection, Antimicrobials, Modeling, and Evolution (IAME) Research Unit, INSERM UMR 1137 (Z.A., L.L., M.G.-M., N.O.), Épidémiologie Clinique et Évaluation Économique Appliqué aux Populations Vulnérables, INSERM UMR 1123 (C.A.), the Center of Research in Epidemiology and Statistics, INSERM UMR 1153 (J.F.C.), and Biodiversity and Epidemiology of Bacterial Pathogens Research Unit, Institut Pasteur (J.T.), Paris Cité University, Paris, Groupe de Pathologie Infectieuse Pédiatrique, Nice (Z.A., M. Lorrot, R.C., C.L., N.O.), the Pediatric Emergency Department (C.A.) and the Department of General Pediatrics (L.P., C.F.D.), Jean Verdier University Hospital, AP-HP de Paris, Bondy, the Department of General Pediatrics, Centre Hospitalier Intercommunal de Créteil (M.S., C.J.), Association Clinique et Thérapeutique Infantile du Val-de-Marne France (R.C., C.L.), Institut Mondor de Recherche Biomédicale-Groupe de Recherche Clinique Groupe d'Étude des Maladies Infectieuses Néonatales et Infantiles, Université Paris Est (R.C., C.L., C.J.), and the Clinical Research Center (M.M.E.H., C.J.) and the Neonatal Intensive Care Unit (X.D.), Centre Hospitalier Intercommunal de Créteil, Université Paris Est Créteil, Faculté de Santé de Créteil, Créteil, Association Française de Pédiatrie Ambulatoire, Orleans (R.C., C.L.), and the Departments of Pediatric Pulmonology and Allergology (G.L., N.C.) and General Pediatrics (B.H., O.M., C.B.), Children's Hospital, Toulouse University Hospital, Toulouse - all in France; and the Department of Pediatrics, Department Woman-Mother-Child, Lausanne University Hospital, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (F.A.)., El Hebil MM; From the Department of General Pediatrics, Pediatric Infectious Disease, and Internal Medicine (Z.A., A.G., N.O.), Centre d'Investigations Cliniques, INSERM Unité 1426 (Z.V.), the Pediatric Intensive Care Unit (M. Levy, P.S.), the Pediatric Emergency Department (L.L.), the Department of Microbiology (M.G.-M.), the Neonatal Intensive Care Unit (V.B.), and the Unit of Clinical Epidemiology, INSERM Unité 1123 and Epidémiologie Clinique du Centre d'Investigation Clinique 1426 (K.D., O.A.), Robert-Debré University Hospital, Paris Cité University (Z.A., C.S., A.G., Z.V., M.B., J.F.C., J.T., M.L., P.S., L.L., M.G.-M., V.B., K.D., O.A.), the Departments of General Pediatrics (A.-S.R., M. Lorrot, C.F.) and Pediatric Pulmonology (A.-S.R., M. Lorrot), Armand Trousseau University Hospital, Sorbonne University (A.-S.R., M. Lorrot), the Pediatric Emergency Department (C.S.), the Pediatric Intensive Care Unit (M.B.), and the Department of General Pediatrics and Pediatric Infectious Diseases (C.S., J.F.C., J.T.), Necker-Enfants Malades University Hospital, Saint-Antoine Research Center, INSERM Unité Mixte de Recherche (UMR) S938 (H.C., B.P.), and Assistance Publique-Hôpitaux de Paris (AP-HP), Infection, Antimicrobials, Modeling, and Evolution (IAME) Research Unit, INSERM UMR 1137 (Z.A., L.L., M.G.-M., N.O.), Épidémiologie Clinique et Évaluation Économique Appliqué aux Populations Vulnérables, INSERM UMR 1123 (C.A.), the Center of Research in Epidemiology and Statistics, INSERM UMR 1153 (J.F.C.), and Biodiversity and Epidemiology of Bacterial Pathogens Research Unit, Institut Pasteur (J.T.), Paris Cité University, Paris, Groupe de Pathologie Infectieuse Pédiatrique, Nice (Z.A., M. Lorrot, R.C., C.L., N.O.), the Pediatric Emergency Department (C.A.) and the Department of General Pediatrics (L.P., C.F.D.), Jean Verdier University Hospital, AP-HP de Paris, Bondy, the Department of General Pediatrics, Centre Hospitalier Intercommunal de Créteil (M.S., C.J.), Association Clinique et Thérapeutique Infantile du Val-de-Marne France (R.C., C.L.), Institut Mondor de Recherche Biomédicale-Groupe de Recherche Clinique Groupe d'Étude des Maladies Infectieuses Néonatales et Infantiles, Université Paris Est (R.C., C.L., C.J.), and the Clinical Research Center (M.M.E.H., C.J.) and the Neonatal Intensive Care Unit (X.D.), Centre Hospitalier Intercommunal de Créteil, Université Paris Est Créteil, Faculté de Santé de Créteil, Créteil, Association Française de Pédiatrie Ambulatoire, Orleans (R.C., C.L.), and the Departments of Pediatric Pulmonology and Allergology (G.L., N.C.) and General Pediatrics (B.H., O.M., C.B.), Children's Hospital, Toulouse University Hospital, Toulouse - all in France; and the Department of Pediatrics, Department Woman-Mother-Child, Lausanne University Hospital, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (F.A.)., Durrmeyer X; From the Department of General Pediatrics, Pediatric Infectious Disease, and Internal Medicine (Z.A., A.G., N.O.), Centre d'Investigations Cliniques, INSERM Unité 1426 (Z.V.), the Pediatric Intensive Care Unit (M. Levy, P.S.), the Pediatric Emergency Department (L.L.), the Department of Microbiology (M.G.-M.), the Neonatal Intensive Care Unit (V.B.), and the Unit of Clinical Epidemiology, INSERM Unité 1123 and Epidémiologie Clinique du Centre d'Investigation Clinique 1426 (K.D., O.A.), Robert-Debré University Hospital, Paris Cité University (Z.A., C.S., A.G., Z.V., M.B., J.F.C., J.T., M.L., P.S., L.L., M.G.-M., V.B., K.D., O.A.), the Departments of General Pediatrics (A.-S.R., M. Lorrot, C.F.) and Pediatric Pulmonology (A.-S.R., M. Lorrot), Armand Trousseau University Hospital, Sorbonne University (A.-S.R., M. Lorrot), the Pediatric Emergency Department (C.S.), the Pediatric Intensive Care Unit (M.B.), and the Department of General Pediatrics and Pediatric Infectious Diseases (C.S., J.F.C., J.T.), Necker-Enfants Malades University Hospital, Saint-Antoine Research Center, INSERM Unité Mixte de Recherche (UMR) S938 (H.C., B.P.), and Assistance Publique-Hôpitaux de Paris (AP-HP), Infection, Antimicrobials, Modeling, and Evolution (IAME) Research Unit, INSERM UMR 1137 (Z.A., L.L., M.G.-M., N.O.), Épidémiologie Clinique et Évaluation Économique Appliqué aux Populations Vulnérables, INSERM UMR 1123 (C.A.), the Center of Research in Epidemiology and Statistics, INSERM UMR 1153 (J.F.C.), and Biodiversity and Epidemiology of Bacterial Pathogens Research Unit, Institut Pasteur (J.T.), Paris Cité University, Paris, Groupe de Pathologie Infectieuse Pédiatrique, Nice (Z.A., M. Lorrot, R.C., C.L., N.O.), the Pediatric Emergency Department (C.A.) and the Department of General Pediatrics (L.P., C.F.D.), Jean Verdier University Hospital, AP-HP de Paris, Bondy, the Department of General Pediatrics, Centre Hospitalier Intercommunal de Créteil (M.S., C.J.), Association Clinique et Thérapeutique Infantile du Val-de-Marne France (R.C., C.L.), Institut Mondor de Recherche Biomédicale-Groupe de Recherche Clinique Groupe d'Étude des Maladies Infectieuses Néonatales et Infantiles, Université Paris Est (R.C., C.L., C.J.), and the Clinical Research Center (M.M.E.H., C.J.) and the Neonatal Intensive Care Unit (X.D.), Centre Hospitalier Intercommunal de Créteil, Université Paris Est Créteil, Faculté de Santé de Créteil, Créteil, Association Française de Pédiatrie Ambulatoire, Orleans (R.C., C.L.), and the Departments of Pediatric Pulmonology and Allergology (G.L., N.C.) and General Pediatrics (B.H., O.M., C.B.), Children's Hospital, Toulouse University Hospital, Toulouse - all in France; and the Department of Pediatrics, Department Woman-Mother-Child, Lausanne University Hospital, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (F.A.)., Labouret G; From the Department of General Pediatrics, Pediatric Infectious Disease, and Internal Medicine (Z.A., A.G., N.O.), Centre d'Investigations Cliniques, INSERM Unité 1426 (Z.V.), the Pediatric Intensive Care Unit (M. Levy, P.S.), the Pediatric Emergency Department (L.L.), the Department of Microbiology (M.G.-M.), the Neonatal Intensive Care Unit (V.B.), and the Unit of Clinical Epidemiology, INSERM Unité 1123 and Epidémiologie Clinique du Centre d'Investigation Clinique 1426 (K.D., O.A.), Robert-Debré University Hospital, Paris Cité University (Z.A., C.S., A.G., Z.V., M.B., J.F.C., J.T., M.L., P.S., L.L., M.G.-M., V.B., K.D., O.A.), the Departments of General Pediatrics (A.-S.R., M. Lorrot, C.F.) and Pediatric Pulmonology (A.-S.R., M. Lorrot), Armand Trousseau University Hospital, Sorbonne University (A.-S.R., M. Lorrot), the Pediatric Emergency Department (C.S.), the Pediatric Intensive Care Unit (M.B.), and the Department of General Pediatrics and Pediatric Infectious Diseases (C.S., J.F.C., J.T.), Necker-Enfants Malades University Hospital, Saint-Antoine Research Center, INSERM Unité Mixte de Recherche (UMR) S938 (H.C., B.P.), and Assistance Publique-Hôpitaux de Paris (AP-HP), Infection, Antimicrobials, Modeling, and Evolution (IAME) Research Unit, INSERM UMR 1137 (Z.A., L.L., M.G.-M., N.O.), Épidémiologie Clinique et Évaluation Économique Appliqué aux Populations Vulnérables, INSERM UMR 1123 (C.A.), the Center of Research in Epidemiology and Statistics, INSERM UMR 1153 (J.F.C.), and Biodiversity and Epidemiology of Bacterial Pathogens Research Unit, Institut Pasteur (J.T.), Paris Cité University, Paris, Groupe de Pathologie Infectieuse Pédiatrique, Nice (Z.A., M. Lorrot, R.C., C.L., N.O.), the Pediatric Emergency Department (C.A.) and the Department of General Pediatrics (L.P., C.F.D.), Jean Verdier University Hospital, AP-HP de Paris, Bondy, the Department of General Pediatrics, Centre Hospitalier Intercommunal de Créteil (M.S., C.J.), Association Clinique et Thérapeutique Infantile du Val-de-Marne France (R.C., C.L.), Institut Mondor de Recherche Biomédicale-Groupe de Recherche Clinique Groupe d'Étude des Maladies Infectieuses Néonatales et Infantiles, Université Paris Est (R.C., C.L., C.J.), and the Clinical Research Center (M.M.E.H., C.J.) and the Neonatal Intensive Care Unit (X.D.), Centre Hospitalier Intercommunal de Créteil, Université Paris Est Créteil, Faculté de Santé de Créteil, Créteil, Association Française de Pédiatrie Ambulatoire, Orleans (R.C., C.L.), and the Departments of Pediatric Pulmonology and Allergology (G.L., N.C.) and General Pediatrics (B.H., O.M., C.B.), Children's Hospital, Toulouse University Hospital, Toulouse - all in France; and the Department of Pediatrics, Department Woman-Mother-Child, Lausanne University Hospital, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (F.A.)., Casanovas N; From the Department of General Pediatrics, Pediatric Infectious Disease, and Internal Medicine (Z.A., A.G., N.O.), Centre d'Investigations Cliniques, INSERM Unité 1426 (Z.V.), the Pediatric Intensive Care Unit (M. Levy, P.S.), the Pediatric Emergency Department (L.L.), the Department of Microbiology (M.G.-M.), the Neonatal Intensive Care Unit (V.B.), and the Unit of Clinical Epidemiology, INSERM Unité 1123 and Epidémiologie Clinique du Centre d'Investigation Clinique 1426 (K.D., O.A.), Robert-Debré University Hospital, Paris Cité University (Z.A., C.S., A.G., Z.V., M.B., J.F.C., J.T., M.L., P.S., L.L., M.G.-M., V.B., K.D., O.A.), the Departments of General Pediatrics (A.-S.R., M. Lorrot, C.F.) and Pediatric Pulmonology (A.-S.R., M. Lorrot), Armand Trousseau University Hospital, Sorbonne University (A.-S.R., M. Lorrot), the Pediatric Emergency Department (C.S.), the Pediatric Intensive Care Unit (M.B.), and the Department of General Pediatrics and Pediatric Infectious Diseases (C.S., J.F.C., J.T.), Necker-Enfants Malades University Hospital, Saint-Antoine Research Center, INSERM Unité Mixte de Recherche (UMR) S938 (H.C., B.P.), and Assistance Publique-Hôpitaux de Paris (AP-HP), Infection, Antimicrobials, Modeling, and Evolution (IAME) Research Unit, INSERM UMR 1137 (Z.A., L.L., M.G.-M., N.O.), Épidémiologie Clinique et Évaluation Économique Appliqué aux Populations Vulnérables, INSERM UMR 1123 (C.A.), the Center of Research in Epidemiology and Statistics, INSERM UMR 1153 (J.F.C.), and Biodiversity and Epidemiology of Bacterial Pathogens Research Unit, Institut Pasteur (J.T.), Paris Cité University, Paris, Groupe de Pathologie Infectieuse Pédiatrique, Nice (Z.A., M. Lorrot, R.C., C.L., N.O.), the Pediatric Emergency Department (C.A.) and the Department of General Pediatrics (L.P., C.F.D.), Jean Verdier University Hospital, AP-HP de Paris, Bondy, the Department of General Pediatrics, Centre Hospitalier Intercommunal de Créteil (M.S., C.J.), Association Clinique et Thérapeutique Infantile du Val-de-Marne France (R.C., C.L.), Institut Mondor de Recherche Biomédicale-Groupe de Recherche Clinique Groupe d'Étude des Maladies Infectieuses Néonatales et Infantiles, Université Paris Est (R.C., C.L., C.J.), and the Clinical Research Center (M.M.E.H., C.J.) and the Neonatal Intensive Care Unit (X.D.), Centre Hospitalier Intercommunal de Créteil, Université Paris Est Créteil, Faculté de Santé de Créteil, Créteil, Association Française de Pédiatrie Ambulatoire, Orleans (R.C., C.L.), and the Departments of Pediatric Pulmonology and Allergology (G.L., N.C.) and General Pediatrics (B.H., O.M., C.B.), Children's Hospital, Toulouse University Hospital, Toulouse - all in France; and the Department of Pediatrics, Department Woman-Mother-Child, Lausanne University Hospital, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (F.A.)., Hallak B; From the Department of General Pediatrics, Pediatric Infectious Disease, and Internal Medicine (Z.A., A.G., N.O.), Centre d'Investigations Cliniques, INSERM Unité 1426 (Z.V.), the Pediatric Intensive Care Unit (M. Levy, P.S.), the Pediatric Emergency Department (L.L.), the Department of Microbiology (M.G.-M.), the Neonatal Intensive Care Unit (V.B.), and the Unit of Clinical Epidemiology, INSERM Unité 1123 and Epidémiologie Clinique du Centre d'Investigation Clinique 1426 (K.D., O.A.), Robert-Debré University Hospital, Paris Cité University (Z.A., C.S., A.G., Z.V., M.B., J.F.C., J.T., M.L., P.S., L.L., M.G.-M., V.B., K.D., O.A.), the Departments of General Pediatrics (A.-S.R., M. Lorrot, C.F.) and Pediatric Pulmonology (A.-S.R., M. Lorrot), Armand Trousseau University Hospital, Sorbonne University (A.-S.R., M. Lorrot), the Pediatric Emergency Department (C.S.), the Pediatric Intensive Care Unit (M.B.), and the Department of General Pediatrics and Pediatric Infectious Diseases (C.S., J.F.C., J.T.), Necker-Enfants Malades University Hospital, Saint-Antoine Research Center, INSERM Unité Mixte de Recherche (UMR) S938 (H.C., B.P.), and Assistance Publique-Hôpitaux de Paris (AP-HP), Infection, Antimicrobials, Modeling, and Evolution (IAME) Research Unit, INSERM UMR 1137 (Z.A., L.L., M.G.-M., N.O.), Épidémiologie Clinique et Évaluation Économique Appliqué aux Populations Vulnérables, INSERM UMR 1123 (C.A.), the Center of Research in Epidemiology and Statistics, INSERM UMR 1153 (J.F.C.), and Biodiversity and Epidemiology of Bacterial Pathogens Research Unit, Institut Pasteur (J.T.), Paris Cité University, Paris, Groupe de Pathologie Infectieuse Pédiatrique, Nice (Z.A., M. Lorrot, R.C., C.L., N.O.), the Pediatric Emergency Department (C.A.) and the Department of General Pediatrics (L.P., C.F.D.), Jean Verdier University Hospital, AP-HP de Paris, Bondy, the Department of General Pediatrics, Centre Hospitalier Intercommunal de Créteil (M.S., C.J.), Association Clinique et Thérapeutique Infantile du Val-de-Marne France (R.C., C.L.), Institut Mondor de Recherche Biomédicale-Groupe de Recherche Clinique Groupe d'Étude des Maladies Infectieuses Néonatales et Infantiles, Université Paris Est (R.C., C.L., C.J.), and the Clinical Research Center (M.M.E.H., C.J.) and the Neonatal Intensive Care Unit (X.D.), Centre Hospitalier Intercommunal de Créteil, Université Paris Est Créteil, Faculté de Santé de Créteil, Créteil, Association Française de Pédiatrie Ambulatoire, Orleans (R.C., C.L.), and the Departments of Pediatric Pulmonology and Allergology (G.L., N.C.) and General Pediatrics (B.H., O.M., C.B.), Children's Hospital, Toulouse University Hospital, Toulouse - all in France; and the Department of Pediatrics, Department Woman-Mother-Child, Lausanne University Hospital, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (F.A.)., Maréchal O; From the Department of General Pediatrics, Pediatric Infectious Disease, and Internal Medicine (Z.A., A.G., N.O.), Centre d'Investigations Cliniques, INSERM Unité 1426 (Z.V.), the Pediatric Intensive Care Unit (M. Levy, P.S.), the Pediatric Emergency Department (L.L.), the Department of Microbiology (M.G.-M.), the Neonatal Intensive Care Unit (V.B.), and the Unit of Clinical Epidemiology, INSERM Unité 1123 and Epidémiologie Clinique du Centre d'Investigation Clinique 1426 (K.D., O.A.), Robert-Debré University Hospital, Paris Cité University (Z.A., C.S., A.G., Z.V., M.B., J.F.C., J.T., M.L., P.S., L.L., M.G.-M., V.B., K.D., O.A.), the Departments of General Pediatrics (A.-S.R., M. Lorrot, C.F.) and Pediatric Pulmonology (A.-S.R., M. Lorrot), Armand Trousseau University Hospital, Sorbonne University (A.-S.R., M. Lorrot), the Pediatric Emergency Department (C.S.), the Pediatric Intensive Care Unit (M.B.), and the Department of General Pediatrics and Pediatric Infectious Diseases (C.S., J.F.C., J.T.), Necker-Enfants Malades University Hospital, Saint-Antoine Research Center, INSERM Unité Mixte de Recherche (UMR) S938 (H.C., B.P.), and Assistance Publique-Hôpitaux de Paris (AP-HP), Infection, Antimicrobials, Modeling, and Evolution (IAME) Research Unit, INSERM UMR 1137 (Z.A., L.L., M.G.-M., N.O.), Épidémiologie Clinique et Évaluation Économique Appliqué aux Populations Vulnérables, INSERM UMR 1123 (C.A.), the Center of Research in Epidemiology and Statistics, INSERM UMR 1153 (J.F.C.), and Biodiversity and Epidemiology of Bacterial Pathogens Research Unit, Institut Pasteur (J.T.), Paris Cité University, Paris, Groupe de Pathologie Infectieuse Pédiatrique, Nice (Z.A., M. Lorrot, R.C., C.L., N.O.), the Pediatric Emergency Department (C.A.) and the Department of General Pediatrics (L.P., C.F.D.), Jean Verdier University Hospital, AP-HP de Paris, Bondy, the Department of General Pediatrics, Centre Hospitalier Intercommunal de Créteil (M.S., C.J.), Association Clinique et Thérapeutique Infantile du Val-de-Marne France (R.C., C.L.), Institut Mondor de Recherche Biomédicale-Groupe de Recherche Clinique Groupe d'Étude des Maladies Infectieuses Néonatales et Infantiles, Université Paris Est (R.C., C.L., C.J.), and the Clinical Research Center (M.M.E.H., C.J.) and the Neonatal Intensive Care Unit (X.D.), Centre Hospitalier Intercommunal de Créteil, Université Paris Est Créteil, Faculté de Santé de Créteil, Créteil, Association Française de Pédiatrie Ambulatoire, Orleans (R.C., C.L.), and the Departments of Pediatric Pulmonology and Allergology (G.L., N.C.) and General Pediatrics (B.H., O.M., C.B.), Children's Hospital, Toulouse University Hospital, Toulouse - all in France; and the Department of Pediatrics, Department Woman-Mother-Child, Lausanne University Hospital, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (F.A.)., Jung C; From the Department of General Pediatrics, Pediatric Infectious Disease, and Internal Medicine (Z.A., A.G., N.O.), Centre d'Investigations Cliniques, INSERM Unité 1426 (Z.V.), the Pediatric Intensive Care Unit (M. Levy, P.S.), the Pediatric Emergency Department (L.L.), the Department of Microbiology (M.G.-M.), the Neonatal Intensive Care Unit (V.B.), and the Unit of Clinical Epidemiology, INSERM Unité 1123 and Epidémiologie Clinique du Centre d'Investigation Clinique 1426 (K.D., O.A.), Robert-Debré University Hospital, Paris Cité University (Z.A., C.S., A.G., Z.V., M.B., J.F.C., J.T., M.L., P.S., L.L., M.G.-M., V.B., K.D., O.A.), the Departments of General Pediatrics (A.-S.R., M. Lorrot, C.F.) and Pediatric Pulmonology (A.-S.R., M. Lorrot), Armand Trousseau University Hospital, Sorbonne University (A.-S.R., M. Lorrot), the Pediatric Emergency Department (C.S.), the Pediatric Intensive Care Unit (M.B.), and the Department of General Pediatrics and Pediatric Infectious Diseases (C.S., J.F.C., J.T.), Necker-Enfants Malades University Hospital, Saint-Antoine Research Center, INSERM Unité Mixte de Recherche (UMR) S938 (H.C., B.P.), and Assistance Publique-Hôpitaux de Paris (AP-HP), Infection, Antimicrobials, Modeling, and Evolution (IAME) Research Unit, INSERM UMR 1137 (Z.A., L.L., M.G.-M., N.O.), Épidémiologie Clinique et Évaluation Économique Appliqué aux Populations Vulnérables, INSERM UMR 1123 (C.A.), the Center of Research in Epidemiology and Statistics, INSERM UMR 1153 (J.F.C.), and Biodiversity and Epidemiology of Bacterial Pathogens Research Unit, Institut Pasteur (J.T.), Paris Cité University, Paris, Groupe de Pathologie Infectieuse Pédiatrique, Nice (Z.A., M. Lorrot, R.C., C.L., N.O.), the Pediatric Emergency Department (C.A.) and the Department of General Pediatrics (L.P., C.F.D.), Jean Verdier University Hospital, AP-HP de Paris, Bondy, the Department of General Pediatrics, Centre Hospitalier Intercommunal de Créteil (M.S., C.J.), Association Clinique et Thérapeutique Infantile du Val-de-Marne France (R.C., C.L.), Institut Mondor de Recherche Biomédicale-Groupe de Recherche Clinique Groupe d'Étude des Maladies Infectieuses Néonatales et Infantiles, Université Paris Est (R.C., C.L., C.J.), and the Clinical Research Center (M.M.E.H., C.J.) and the Neonatal Intensive Care Unit (X.D.), Centre Hospitalier Intercommunal de Créteil, Université Paris Est Créteil, Faculté de Santé de Créteil, Créteil, Association Française de Pédiatrie Ambulatoire, Orleans (R.C., C.L.), and the Departments of Pediatric Pulmonology and Allergology (G.L., N.C.) and General Pediatrics (B.H., O.M., C.B.), Children's Hospital, Toulouse University Hospital, Toulouse - all in France; and the Department of Pediatrics, Department Woman-Mother-Child, Lausanne University Hospital, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (F.A.)., Bréhin C; From the Department of General Pediatrics, Pediatric Infectious Disease, and Internal Medicine (Z.A., A.G., N.O.), Centre d'Investigations Cliniques, INSERM Unité 1426 (Z.V.), the Pediatric Intensive Care Unit (M. Levy, P.S.), the Pediatric Emergency Department (L.L.), the Department of Microbiology (M.G.-M.), the Neonatal Intensive Care Unit (V.B.), and the Unit of Clinical Epidemiology, INSERM Unité 1123 and Epidémiologie Clinique du Centre d'Investigation Clinique 1426 (K.D., O.A.), Robert-Debré University Hospital, Paris Cité University (Z.A., C.S., A.G., Z.V., M.B., J.F.C., J.T., M.L., P.S., L.L., M.G.-M., V.B., K.D., O.A.), the Departments of General Pediatrics (A.-S.R., M. Lorrot, C.F.) and Pediatric Pulmonology (A.-S.R., M. Lorrot), Armand Trousseau University Hospital, Sorbonne University (A.-S.R., M. Lorrot), the Pediatric Emergency Department (C.S.), the Pediatric Intensive Care Unit (M.B.), and the Department of General Pediatrics and Pediatric Infectious Diseases (C.S., J.F.C., J.T.), Necker-Enfants Malades University Hospital, Saint-Antoine Research Center, INSERM Unité Mixte de Recherche (UMR) S938 (H.C., B.P.), and Assistance Publique-Hôpitaux de Paris (AP-HP), Infection, Antimicrobials, Modeling, and Evolution (IAME) Research Unit, INSERM UMR 1137 (Z.A., L.L., M.G.-M., N.O.), Épidémiologie Clinique et Évaluation Économique Appliqué aux Populations Vulnérables, INSERM UMR 1123 (C.A.), the Center of Research in Epidemiology and Statistics, INSERM UMR 1153 (J.F.C.), and Biodiversity and Epidemiology of Bacterial Pathogens Research Unit, Institut Pasteur (J.T.), Paris Cité University, Paris, Groupe de Pathologie Infectieuse Pédiatrique, Nice (Z.A., M. Lorrot, R.C., C.L., N.O.), the Pediatric Emergency Department (C.A.) and the Department of General Pediatrics (L.P., C.F.D.), Jean Verdier University Hospital, AP-HP de Paris, Bondy, the Department of General Pediatrics, Centre Hospitalier Intercommunal de Créteil (M.S., C.J.), Association Clinique et Thérapeutique Infantile du Val-de-Marne France (R.C., C.L.), Institut Mondor de Recherche Biomédicale-Groupe de Recherche Clinique Groupe d'Étude des Maladies Infectieuses Néonatales et Infantiles, Université Paris Est (R.C., C.L., C.J.), and the Clinical Research Center (M.M.E.H., C.J.) and the Neonatal Intensive Care Unit (X.D.), Centre Hospitalier Intercommunal de Créteil, Université Paris Est Créteil, Faculté de Santé de Créteil, Créteil, Association Française de Pédiatrie Ambulatoire, Orleans (R.C., C.L.), and the Departments of Pediatric Pulmonology and Allergology (G.L., N.C.) and General Pediatrics (B.H., O.M., C.B.), Children's Hospital, Toulouse University Hospital, Toulouse - all in France; and the Department of Pediatrics, Department Woman-Mother-Child, Lausanne University Hospital, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (F.A.)., Ouldali N; From the Department of General Pediatrics, Pediatric Infectious Disease, and Internal Medicine (Z.A., A.G., N.O.), Centre d'Investigations Cliniques, INSERM Unité 1426 (Z.V.), the Pediatric Intensive Care Unit (M. Levy, P.S.), the Pediatric Emergency Department (L.L.), the Department of Microbiology (M.G.-M.), the Neonatal Intensive Care Unit (V.B.), and the Unit of Clinical Epidemiology, INSERM Unité 1123 and Epidémiologie Clinique du Centre d'Investigation Clinique 1426 (K.D., O.A.), Robert-Debré University Hospital, Paris Cité University (Z.A., C.S., A.G., Z.V., M.B., J.F.C., J.T., M.L., P.S., L.L., M.G.-M., V.B., K.D., O.A.), the Departments of General Pediatrics (A.-S.R., M. Lorrot, C.F.) and Pediatric Pulmonology (A.-S.R., M. Lorrot), Armand Trousseau University Hospital, Sorbonne University (A.-S.R., M. Lorrot), the Pediatric Emergency Department (C.S.), the Pediatric Intensive Care Unit (M.B.), and the Department of General Pediatrics and Pediatric Infectious Diseases (C.S., J.F.C., J.T.), Necker-Enfants Malades University Hospital, Saint-Antoine Research Center, INSERM Unité Mixte de Recherche (UMR) S938 (H.C., B.P.), and Assistance Publique-Hôpitaux de Paris (AP-HP), Infection, Antimicrobials, Modeling, and Evolution (IAME) Research Unit, INSERM UMR 1137 (Z.A., L.L., M.G.-M., N.O.), Épidémiologie Clinique et Évaluation Économique Appliqué aux Populations Vulnérables, INSERM UMR 1123 (C.A.), the Center of Research in Epidemiology and Statistics, INSERM UMR 1153 (J.F.C.), and Biodiversity and Epidemiology of Bacterial Pathogens Research Unit, Institut Pasteur (J.T.), Paris Cité University, Paris, Groupe de Pathologie Infectieuse Pédiatrique, Nice (Z.A., M. Lorrot, R.C., C.L., N.O.), the Pediatric Emergency Department (C.A.) and the Department of General Pediatrics (L.P., C.F.D.), Jean Verdier University Hospital, AP-HP de Paris, Bondy, the Department of General Pediatrics, Centre Hospitalier Intercommunal de Créteil (M.S., C.J.), Association Clinique et Thérapeutique Infantile du Val-de-Marne France (R.C., C.L.), Institut Mondor de Recherche Biomédicale-Groupe de Recherche Clinique Groupe d'Étude des Maladies Infectieuses Néonatales et Infantiles, Université Paris Est (R.C., C.L., C.J.), and the Clinical Research Center (M.M.E.H., C.J.) and the Neonatal Intensive Care Unit (X.D.), Centre Hospitalier Intercommunal de Créteil, Université Paris Est Créteil, Faculté de Santé de Créteil, Créteil, Association Française de Pédiatrie Ambulatoire, Orleans (R.C., C.L.), and the Departments of Pediatric Pulmonology and Allergology (G.L., N.C.) and General Pediatrics (B.H., O.M., C.B.), Children's Hospital, Toulouse University Hospital, Toulouse - all in France; and the Department of Pediatrics, Department Woman-Mother-Child, Lausanne University Hospital, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (F.A.).

Publikováno v: The New England journal of medicine [N Engl J Med] 2024 Jul 11; Vol. 391 (2), pp. 144-154.