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Title: Seven Salmonella Typhimurium Outbreaks in Australia Linked by Trace-Back and Whole Genome Sequencing.
Austin Authors: Ford, Laura;Wang, Qinning;Stafford, Russell;Ressler, Kelly-Anne;Norton, Sophie;Shadbolt, Craig;Hope, Kirsty;Franklin, Neil;Krsteski, Radomir;Carswell, Adrienne;Carter, Glen P;Seemann, Torsten;Howard, Peter;Valcanis, Mary;Castillo, Cristina Fabiola Sotomayor;Bates, John;Glass, Kathryn;Williamson, Deborah A;Sintchenko, Vitali;Howden, Benjamin P ;Kirk, Martyn D
Affiliation: National Centre for Epidemiology and Population Health, Research School of Population Health, The Australian National University, Canberra, Australia
OzFoodNet, Health Protection Service , Population Health Protection and Prevention, ACT Health, Canberra, Australia
Centre for Infectious Diseases and Microbiology Laboratory Services, Pathology West-Institute of Clinical Pathology and Medical Research , Sydney, Australia
Communicable Diseases Branch, Prevention Division, Queensland Health , Brisbane, Australia
South Eastern Sydney Local Health District , NSW Health, Sydney, Australia
Western Sydney Local Health District , NSW Health, Penrith, Australia
New South Wales Food Authority , Sydney, Australia
Doherty Applied Microbial Genomics, Department of Microbiology and Immunology, The University of Melbourne at The Peter Doherty Institute for Infection and Immunity, Melbourne, Australia
Microbiological Diagnostic Unit Public Health Laboratory, Department of Microbiology and Immunology, The University of Melbourne at The Peter Doherty Institute for Infection and Immunity , Melbourne, Australia
Sydney Medical School-Westmead, The University of Sydney , Sydney, Australia
Instituto de Salud Publica , Facultad de Medicina, Universidad Austral de Chile, Valdivia, Chile
Centre for Infectious Diseases and Microbiology-Public Health, Marie Bashir Institute for Infectious Diseases and Biosecurity, The University of Sydney , Sydney, Australia
Public Health Microbiology , Public & Environmental Health, Forensic and Scientific Services, Health Support Queensland, Department of Health, Coopers Plains, Australia
Department of Infectious Diseases, Austin Health, Heidelberg, Victoria, Australia
Issue Date: 2018 2018-03-20
Publication information: Foodborne pathogens and disease 2018; 15(5): 285-292
Abstract: Salmonella Typhimurium is a common cause of foodborne illness in Australia. We report on seven outbreaks of Salmonella Typhimurium multilocus variable-number tandem-repeat analysis (MLVA) 03-26-13-08-523 (European convention 2-24-12-7-0212) in three Australian states and territories investigated between November 2015 and March 2016. We identified a common egg grading facility in five of the outbreaks. While no Salmonella Typhimurium was detected at the grading facility and eggs could not be traced back to a particular farm, whole genome sequencing (WGS) of isolates from cases from all seven outbreaks indicated a common source. WGS was able to provide higher discriminatory power than MLVA and will likely link more Salmonella Typhimurium cases between states and territories in the future. National harmonization of Salmonella surveillance is important for effective implementation of WGS for Salmonella outbreak investigations.
DOI: 10.1089/fpd.2017.2353
Journal: Foodborne pathogens and disease
PubMed URL: 29638170
Type: Journal Article
Subjects: Salmonella Typhimurium
whole genome sequencing
Appears in Collections:Journal articles

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