Multistate outbreak of listeriosis caused by imported cheese and evidence of cross-contamination of other cheeses, USA, 2012
| Autor: | Zuzana Kucerova, A. Wellman, Yi Chen, Meg Adams-Cameron, M. Gronostaj, Kelly A. Jackson, Emily Ricotta, A. Saupe, M. Metz, R. V. Tauxe, Katherine E. Heiman, G. Ray, Eija Trees, Paul M. Griffin, Angela Fields, L. Burall, P. Leblanc, Lavin A. Joseph, Ashley Sabol, S. Beam, Atin R. Datta, HaeNa Waechter, Susan Lance, Benjamin J. Silk, V. B. Garalde |
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| Jazyk: | angličtina |
| Rok vydání: | 2015 |
| Předmět: |
0301 basic medicine
Adult Male Veterinary medicine Epidemiology 030106 microbiology Inventory data medicine.disease_cause Article Disease Outbreaks Foodborne Diseases 03 medical and health sciences Listeria monocytogenes Cheese Pregnancy Medicine Humans Listeriosis Fetal loss Aged Aged 80 and over biology Foodborne pathogen business.industry Outbreak Middle Aged biology.organism_classification United States Infectious Diseases Microbiological sampling Listeria Food Microbiology Female business |
| Popis: | SUMMARYListeria monocytogenesis a foodborne pathogen that can cause bacteraemia, meningitis, and complications during pregnancy. In July 2012, molecular subtyping identified indistinguishableL. monocytogenesisolates from six patients and two samples of different cut and repackaged cheeses. A multistate outbreak investigation was initiated. Initial analyses identified an association between eating soft cheese and outbreak-related illness (odds ratio 17·3, 95% confidence interval 2·0–825·7) but no common brand. Cheese inventory data from locations where patients bought cheese and an additional location where repackaged cheese yielded the outbreak strain were compared to identify cheeses for microbiological sampling. Intact packages of imported ricotta salata yielded the outbreak strain. Fourteen jurisdictions reported 22 cases from March–October 2012, including four deaths and a fetal loss. Six patients ultimately reported eating ricotta salata; another reported eating cheese likely cut with equipment also used for contaminated ricotta salata, and nine more reported eating other cheeses that might also have been cross-contaminated. An FDA import alert and US and international recalls followed. Epidemiology-directed microbiological testing of suspect cheeses helped identify the outbreak source. Cross-contamination of cheese highlights the importance of using validated disinfectant protocols and routine cleaning and sanitizing after cutting each block or wheel. |
| Databáze: | OpenAIRE |
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