Foodborne Illness第 9 / 240 题
Several guests at a Manhattan catering hall report sudden vomiting and diarrhea about 24 to 36 hours after a banquet. The most common cause of such outbreaks, often spread by an ill server handling ready-to-eat food, is:
a.Norovirus
b.Trichinella
c.Clostridium perfringens
d.Ciguatoxin
解析
Norovirus is the leading cause of foodborne illness outbreaks and spreads easily from an infected worker to ready-to-eat foods; it causes sudden vomiting and diarrhea 12 to 48 hours after exposure and is highly contagious. Workers with vomiting or diarrhea must be excluded. Perfringens is tied to time-abused stews, Trichinella to undercooked pork or game, and ciguatoxin to certain reef fish.
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