ArticleFood safety (Tokyo, Japan)2026
A Large Outbreak of Gastrointestinal Infections Associated with
Article in Food safety (Tokyo, Japan), 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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25 authors.
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Abstract
Severe foodborne disease outbreaks occurring in the school setting are a major public health issue. On June 17, 2021, Toyama City Public Health Center received a report of a suspected outbreak of food poisoning from the Board of Education of Toyama City. The board reported that 459 students and 5 teachers were absent from school or left early on June 17. We investigated the suspected outbreak and examined the implementation of control measures in a small-scale milk processing company linked to the outbreak. In particular, we performed an epidemiological investigation involving a traceback and traceforward investigation, an inspection of the processing company, a microbiological analysis, a hazard analysis, and an evaluation of critical control points. In total, 1,896 individuals developed at least one gastrointestinal symptom and were absent from school and/or left early. In total, 25 schools and childcare facilities were affected. The epidemiological investigation showed that consumption of school lunch milk from a specific milk company was significantly associated with absence from school on June 16-18, with odds ratios ranging from 2.2 to 21.7. No cases were linked to other distribution facilities. Milk and stool samples yielded
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