How is Vibrio parahaemolyticus food poisoning diagnosed?

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A doctor may suspect Vibrio parahaemolyticus food poisoning after an evaluation of symptoms. Infected individuals may experience symptoms of diarrhea, stomach cramps, headache, upset stomach, vomiting, chills, and fever. A doctor will typically consider Vibrio parahaemolyticus food poisoning if a person has diarrhea that is watery, and the person has consumed raw or improperly cooked seafood, particularly oysters. To confirm diagnosis, a doctor will collect a stool specimen or a blood sample and test to see if the samples indicate that the bacteria are present.