Shopping Detail Information and Home Freezer Sampling Confirmed the Role of Commercial, Modified-Atmosphere Packaged Meatballs as a Vehicle for Listeriosis in Finland

Frontiers in Public Health

Anne Heikkilä¹  Hannu Korkeala¹  Riikka Keto-Timonen¹  Reetta Huttunen²  Katri Jalava³  Mia Puisto⁴  Maria Närhinen⁵  Saara Salmenlinna⁶  Jani Halkilahti⁶  Sirpa Räsänen⁷  Annukka Markkula⁸  Marjaana Hakkinen⁹ 

[1] Department of Food Hygiene and Environmental Health, University of Helsinki, Helsinki, Finland;Department of Internal Medicine, Tampere University Hospital, Tampere, Finland;Department of Mathematics and Statistics, University of Helsinki, Helsinki, Finland;Environmental Health Office of Etelä-Satakunta, Säkylä, Finland;Environmental Health Unit, Mikkeli, Finland;Health Security Department, National Institute for Health and Welfare, Helsinki, Finland;Infectious Diseases Control Unit, Tampere, Finland;Microbiological Food Safety Unit, Finnish Food Authority, Helsinki, Finland;Microbiology Research Unit, Finnish Food Authority, Helsinki, Finland;

关键词: Listeria monocytogenes;    foodborne;    ready-to-eat foods;    meatball;    listeriosis;    loyalty card;   

DOI  :  10.3389/fpubh.2019.00216

来源: DOAJ

【 摘 要 】

In November 2016, an elderly patient was diagnosed with Listeria monocytogenes bacteremia in Finland. Grocery store loyalty card records and microbiological investigation of foods found in the home fridge and freezer of the patient revealed commercial, modified-atmosphere packaged meatballs as the source of the infection. Investigation of the meatball production plant revealed that the floor drain samples were contaminated with the same L. monocytogenes strain as those isolated from the patient and meatballs. Ready-to-eat meatballs were likely contaminated after heat treatment from the production environment before packaging. Long-term cold storage, modified-atmosphere conditions, and the absence of competing bacteria presumably enhanced the growth of L. monocytogenes. We recommend that collection of shopping details and home fridge and freezer sampling should be part of surveillance of all cases of L. monocytogenes infections to complement information obtained from in-depth interviews.

【 授权许可】

Unknown