Keto-Timonen Riikka, Markkula Annukka, Halkilahti Jani, Huttunen Reetta, Räsänen Sirpa, Salmenlinna Saara, Heikkilä Anne, Puisto Mia, Närhinen Maria, Hakkinen Marjaana, Korkeala Hannu, Jalava Katri
Department of Food Hygiene and Environmental Health, University of Helsinki, Helsinki, Finland.
Microbiological Food Safety Unit, Finnish Food Authority, Helsinki, Finland.
Front Public Health. 2019 Aug 6;7:216. doi: 10.3389/fpubh.2019.00216. eCollection 2019.
In November 2016, an elderly patient was diagnosed with 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 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 . We recommend that collection of shopping details and home fridge and freezer sampling should be part of surveillance of all cases of infections to complement information obtained from in-depth interviews.
2016年11月，芬兰一名老年患者被诊断为菌血症。杂货店会员卡记录以及对患者家中冰箱和冰柜中发现的食品进行的微生物调查显示，商业化气调包装肉丸是感染源。对肉丸生产厂的调查发现，地漏样本被与从患者和肉丸中分离出的相同菌株污染。即食肉丸在包装前的热处理过程中可能受到生产环境的污染。长期冷藏、气调条件以及缺乏竞争性细菌可能促进了该菌的生长。我们建议，收集购物细节以及对家中冰箱和冰柜进行采样应作为所有感染病例监测的一部分，以补充从深入访谈中获得的信息。
