Article
Influence of herd immunity on norovirus: a long-term field study of repeated viral gastroenteritis outbreaks at the same facilities.
BMC infectious diseases - 26 Apr 2023
Kumazaki Makoto, Usuku Shuzo
Abstract excerpt
BACKGROUND: Viral acute gastroenteritis (AG) is detected worldwide annually. Outbreaks caused by viruses associated with gastroenteritis have been reported repeatedly at the same facilities in Yokohama, Japan over several years. We investigated the statuses of these repeated outbreaks to consider herd immunity at the facility level. METHODS: Between September 2007 and August 2017, 1459 AG outbreaks were reported...
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