Outbreak investigations of Salmonella and frozen raw breaded chicken : The mitigation of a significant public health issue in Canada

Journal article


Kerr, Ashley, Smith, Courtney R., Kandar, Rima, Kearney, Ashley, Chau, Kelvin, Adhikari, Bijay, Cutler, Jennifer, Galanis, Eleni, Gaulin, Colette, Hamel, Meghan, Hobbs, Leigh, Kershaw, Tanis, Kirsch, Penelope, Mah, Victor, McCormick, Rachel, Nesbitt, Andrea, Orr, Alison, Smadi, Hanan, Taylor, Marsha and Hexemer, April. (2024). Outbreak investigations of Salmonella and frozen raw breaded chicken : The mitigation of a significant public health issue in Canada. Epidemiology and Infection. 152, p. Article e180. https://doi.org/10.1017/S0950268824001705
AuthorsKerr, Ashley, Smith, Courtney R., Kandar, Rima, Kearney, Ashley, Chau, Kelvin, Adhikari, Bijay, Cutler, Jennifer, Galanis, Eleni, Gaulin, Colette, Hamel, Meghan, Hobbs, Leigh, Kershaw, Tanis, Kirsch, Penelope, Mah, Victor, McCormick, Rachel, Nesbitt, Andrea, Orr, Alison, Smadi, Hanan, Taylor, Marsha and Hexemer, April
Abstract

In May 2017, whole-genome sequencing (WGS) became the primary subtyping method for Salmonella in Canada. As a result of the increased discriminatory power provided by WGS, 16 multi-jurisdictional outbreaks of Salmonella associated with frozen raw breaded chicken products were identified between 2017 and 2019. The majority (15/16) were associated with S. enteritidis, while the remaining outbreak was associated with S. Heidelberg. The 16 outbreaks included a total of 487 cases with ages ranging from 0 to 98 years (median: 24 years); 79 hospitalizations and two deaths were reported. Over the course of the outbreak investigations, 14 frozen raw breaded chicken products were recalled, and one was voluntarily withdrawn from the market. After previous changes to labelling and the issuance of public communication for these products proved ineffective at reducing illnesses, new industry requirements were issued in 2019, which required the implementation of measures at the manufacturing/processing level to reduce Salmonella to below detectable amounts in frozen raw breaded chicken products. Since implementation, no further outbreaks of Salmonella associated with frozen breaded chicken have been identified in Canada, a testament to the effectiveness of these risk mitigation measures.

Keywordssalmonella; outbreak; frozen raw breaded chicken product; food safety
Year2024
JournalEpidemiology and Infection
Journal citation152, p. Article e180
PublisherCambridge University Press
ISSN0950-2688
Digital Object Identifier (DOI)https://doi.org/10.1017/S0950268824001705
PubMed ID39725660
Scopus EID2-s2.0-85213911437
PubMed Central IDPMC11696595
Open accessPublished as ‘gold’ (paid) open access
Page range1-9
Publisher's version
License
File Access Level
Open
Output statusPublished
Publication dates
Online27 Dec 2024
Publication process dates
Accepted19 Nov 2024
Deposited04 Apr 2025
Additional information

© Public Health Agency of Canada, 2024. Published by Cambridge University Press. This is an Open Access article, distributed under the terms of the Creative Commons Attribution- NonCommercial-NoDerivatives licence (http://creativecommons.org/licenses/by-nc-nd/4.0), which permits non-commercial re-use, distribution, and reproduction in any medium, provided that no alterations are made and the original article is properly cited. The written permission of Cambridge University Press must be obtained prior to any commercial use and/or adaptation of the article.

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