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Investigation of an international outbreak of multidrug-resistant monophasic Salmonella Typhimurium associated with chocolate products, EU/EEA and United Kingdom, February to April 2022
- Lesley Larkin1 , Maria Pardos de la Gandara2 , Ann Hoban1 , Caisey Pulford1 , Nathalie Jourdan-Da Silva3 , Henriette de Valk3 , Lynda Browning4 , Gerhard Falkenhorst5 , Sandra Simon6 , Raskit Lachmann5 , Rikard Dryselius7 , Nadja Karamehmedovic8 , Stefan Börjesson7 , Dieter van Cauteren9 , Valeska Laisnez9,16 , Wesley Mattheus10 , Roan Pijnacker11 , Maaike van den Beld11 , Joël Mossong12 , Catherine Ragimbeau13 , Anne Vergison12 , Lin Thorstensen Brandal14 , Heidi Lange14 , Patricia Garvey15 , Charlotte Salgaard Nielsen15,16 , Silvia Herrera León17 , Carmen Varela18 , Marie Chattaway19 , François-Xavier Weill2 , Derek Brown20 , Paul McKeown15
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View Affiliations Hide AffiliationsAffiliations: 1 Gastrointestinal Infections and Food Safety (One Health Unit), UK Health Security Agency, London, United Kingdom 2 Institut Pasteur, Université Paris Cité, Centre National de Référence des E. coli, Shigella et Salmonella, Unité des Bactéries pathogènes entériques, Paris, France 3 Sante Publique France, Direction des Maladies Infectieuses Unité EAZ, Paris, France 4 Clinical and Protecting Health Directorate, Public Health Scotland, Glasgow, United Kingdom 5 Robert Koch Institute, Department of Infectious Disease Epidemiology FG 35 - Gastrointestinal Infections, Zoonoses and Tropical Infections, Berlin, Germany 6 Robert Koch Institute, Department of Infectious Diseases, Unit for Enteropathogenic Bacteria and Legionella / National Reference Centre for Salmonella and other Bacterial Enterics, Wernigerode, Germany 7 Public Health Agency of Sweden, Unit for Zoonoses and Antibiotic Resistance, Stockholm, Sweden 8 Public Health Agency of Sweden, Unit for laboratory surveillance of bacterial pathogens, Stockholm, Sweden 9 Epidemiology of infectious diseases, Department of Epidemiology and Public Health, Sciensano, Brussels, Belgium 10 National Reference Centre for Salmonella and Shigella, Sciensano, Brussels, Belgium 11 National Institute for Public Health and the Environment (RIVM), Centre for Infectious Disease Control, Bilthoven, Netherlands 12 Health Inspection, Health Directorate, Luxembourg 13 Laboratoire National de Santé, Epidemiology and Microbial Genomics, Dudelange, Luxembourg 14 Department of Infection Control and Preparedness, Norwegian Institute of Public Health, Oslo, Norway 15 HSE -Health Protection Surveillance Centre, Dublin, Ireland 16 ECDC Fellowship Programme, Field Epidemiology path (EPIET), European Centre for Disease Prevention and Control (ECDC), Stockholm, Sweden 17 Instituto de Salud Carlos III. Centro Nacional de Microbiología, Madrid, Spain 18 Instituto de Salud Carlos III. CIBER epidemiología y salud pública. Madrid, Spain 19 Specialist Scientific Reference Service (Salmonella), Gastrointestinal Bacteria Reference Unit, UK Health Security Agency, London, United Kingdom 20 Scottish Microbiology Reference Laboratories, Glasgow, United KingdomLesley LarkinLesley.Larkin phe.gov.uk
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Citation style for this article: Larkin Lesley, Pardos de la Gandara Maria, Hoban Ann, Pulford Caisey, Jourdan-Da Silva Nathalie, de Valk Henriette, Browning Lynda, Falkenhorst Gerhard, Simon Sandra, Lachmann Raskit, Dryselius Rikard, Karamehmedovic Nadja, Börjesson Stefan, van Cauteren Dieter, Laisnez Valeska, Mattheus Wesley, Pijnacker Roan, van den Beld Maaike, Mossong Joël, Ragimbeau Catherine, Vergison Anne, Thorstensen Brandal Lin, Lange Heidi, Garvey Patricia, Nielsen Charlotte Salgaard, Herrera León Silvia, Varela Carmen, Chattaway Marie, Weill François-Xavier, Brown Derek, McKeown Paul. Investigation of an international outbreak of multidrug-resistant monophasic Salmonella Typhimurium associated with chocolate products, EU/EEA and United Kingdom, February to April 2022. Euro Surveill. 2022;27(15):pii=2200314. https://doi.org/10.2807/1560-7917.ES.2022.27.15.2200314 Received: 11 Apr 2022; Accepted: 13 Apr 2022
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Abstract
An extensive multi-country outbreak of multidrug-resistant monophasic Salmonella Typhimurium infection in 10 countries with 150 reported cases, predominantly affecting young children, has been linked to chocolate products produced by a large multinational company. Extensive withdrawals and recalls of multiple product lines have been undertaken. With Easter approaching, widespread product distribution and the vulnerability of the affected population, early and effective real-time sharing of microbiological and epidemiological information has been of critical importance in effectively managing this serious food-borne incident.
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