Seroprevalence and risk factors of exposure to COVID-19 in homeless people in Paris, France: a cross-sectional study

Autor: Thomas Roederer, MSc, Bastien Mollo, MD, Charline Vincent, MSc, Birgit Nikolay, PhD, Augusto E Llosa, PhD, Robin Nesbitt, PhD, Jessica Vanhomwegen, PhD, Thierry Rose, PhD, Sophie Goyard, PhD, François Anna, PhD, Corinne Torre, MSc, Emilie Fourrey, MPH, Erica Simons, MPh, William Hennequin, MSc, Clair Mills, MD, Francisco J Luquero, PhD
Jazyk: angličtina
Rok vydání: 2021
Předmět:
Zdroj: The Lancet Public Health, Vol 6, Iss 4, Pp e202-e209 (2021)
Druh dokumentu: article
ISSN: 2468-2667
DOI: 10.1016/S2468-2667(21)00001-3
Popis: Summary: Background: During the COVID-19 lockdown period from March 17 to May 11, 2020, French authorities in Paris and its suburbs relocated people experiencing recurrent homelessness to emergency shelters, hotels, and large venues. A serological survey was done at some of these locations to assess the COVID-19 exposure prevalence in this group. Methods: We did a cross-sectional seroprevalence study at food distribution sites, emergency shelters, and workers' residences that were provided medical services by Médecins Sans Frontières in Paris and Seine-Saint-Denis in the Ile-de-France region. Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) antibody seropositivity was detected by Luciferase-Linked Immunosorbent Assay and Pseudo Neutralization Test. Sociodemographic and exposure related information was collected via a verbal questionnaire to analyse risk factors and associations with various COVID-19 symptoms. Findings: Between June 23 and July 2, 2020, 426 (52%) of 818 individuals recruited tested positive in 14 sites. Seroprevalence varied significantly by type of recruitment site (χ2 p
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