Seven Salmonella Typhimurium Outbreaks in Australia Linked by Trace-Back and Whole Genome Sequencing

Laura Ford; Qinning Wang; Russell Stafford; Kelly Anne Ressler; Sophie Norton; Craig Shadbolt; Kirsty Hope; Neil Franklin; Radomir Krsteski; Adrienne Carswell; Glen P. Carter; Torsten Seemann; Peter Howard; Mary Valcanis; Cristina Fabiola Sotomayor Castillo; John Bates; Kathryn Glass; Deborah A. Williamson; Vitali Sintchenko; Benjamin P. Howden; Martyn D. Kirk

doi:10.1089/fpd.2017.2353

Seven Salmonella Typhimurium Outbreaks in Australia Linked by Trace-Back and Whole Genome Sequencing

Laura Ford^*, Qinning Wang, Russell Stafford, Kelly Anne Ressler, Sophie Norton, Craig Shadbolt, Kirsty Hope, Neil Franklin, Radomir Krsteski, Adrienne Carswell, Glen P. Carter, Torsten Seemann, Peter Howard, Mary Valcanis, Cristina Fabiola Sotomayor Castillo, John Bates, Kathryn Glass, Deborah A. Williamson, Vitali Sintchenko, Benjamin P. HowdenMartyn D. Kirk

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

27 Citations (Scopus)

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.

Original language	English
Pages (from-to)	285-292
Number of pages	8
Journal	Foodborne Pathogens and Disease
Volume	15
Issue number	5
DOIs	https://doi.org/10.1089/fpd.2017.2353
Publication status	Published - May 2018

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10.1089/fpd.2017.2353

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Ford, L., Wang, Q., Stafford, R., Ressler, K. A., Norton, S., Shadbolt, C., Hope, K., Franklin, N., Krsteski, R., Carswell, A., Carter, G. P., Seemann, T., Howard, P., Valcanis, M., Castillo, C. F. S., Bates, J., Glass, K., Williamson, D. A., Sintchenko, V., ... Kirk, M. D. (2018). Seven Salmonella Typhimurium Outbreaks in Australia Linked by Trace-Back and Whole Genome Sequencing. Foodborne Pathogens and Disease, 15(5), 285-292. https://doi.org/10.1089/fpd.2017.2353

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title = "Seven Salmonella Typhimurium Outbreaks in Australia Linked by Trace-Back and Whole Genome Sequencing",

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.",

keywords = "Eggs, Outbreaks, Salmonella Typhimurium, Trace-back, Whole genome sequencing",

author = "Laura Ford and Qinning Wang and Russell Stafford and Ressler, {Kelly Anne} and Sophie Norton and Craig Shadbolt and Kirsty Hope and Neil Franklin and Radomir Krsteski and Adrienne Carswell and Carter, {Glen P.} and Torsten Seemann and Peter Howard and Mary Valcanis and Castillo, {Cristina Fabiola Sotomayor} and John Bates and Kathryn Glass and Williamson, {Deborah A.} and Vitali Sintchenko and Howden, {Benjamin P.} and Kirk, {Martyn D.}",

year = "2018",

month = may,

doi = "10.1089/fpd.2017.2353",

language = "English",

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Ford, L, Wang, Q, Stafford, R, Ressler, KA, Norton, S, Shadbolt, C, Hope, K, Franklin, N, Krsteski, R, Carswell, A, Carter, GP, Seemann, T, Howard, P, Valcanis, M, Castillo, CFS, Bates, J, Glass, K, Williamson, DA, Sintchenko, V, Howden, BP & Kirk, MD 2018, 'Seven Salmonella Typhimurium Outbreaks in Australia Linked by Trace-Back and Whole Genome Sequencing', Foodborne Pathogens and Disease, vol. 15, no. 5, pp. 285-292. https://doi.org/10.1089/fpd.2017.2353

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AU - Howard, Peter

AU - Valcanis, Mary

AU - Castillo, Cristina Fabiola Sotomayor

AU - Bates, John

AU - Glass, Kathryn

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AU - Sintchenko, Vitali

AU - Howden, Benjamin P.

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AB - 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.

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KW - Salmonella Typhimurium

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EP - 292

JO - Foodborne Pathogens and Disease

JF - Foodborne Pathogens and Disease

IS - 5

ER -

Seven Salmonella Typhimurium Outbreaks in Australia Linked by Trace-Back and Whole Genome Sequencing

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