A 19-year-old female asked:
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how long does it take to become sick after being exposed to the stomach flu. it's been almost 4 days and i haven't caught it yet but worried ?

1 doctor answer
Dr. Brian Clear
11 years experience Family Medicine
Faster than that: Food-borne illness hits hard and fast, anywhere from 30 minutes after a contaminated meal with certain bacterial toxins from killed bacteria to a day or two if there are live pathologic bacteria present in the food. longer periods without symptoms would be unusual.
Answered on Mar 22, 2020
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