A 23-year-old woman presents with mild gastroenteritis a few days after having a variety of sushi at a party. There is no blood or pus in the stool. Which causative agent is most likely to have caused this illness?

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Vibrio cholerae causes classic cholera, which is not generally mild or selflimited; Vibrio parahaemolyticus, in contrast, causes a relatively mild gastroenteritis. It is also found in raw fish. Sal. typhi is the causative agent of typhoid. Shigellae infections are always invasive and generally will have a little pus in the stool.

A 23-Year-Old Woman Presents with Mild Gastroenteritis a Few Days