Multiple choice What is the incubation period for a person affected with cholera? 5 days 6 days 7 days 10 days Reveal answer Fill a bubble to check yourself A Correct answer Explanation Cholera has an incubation period of approximately 5 days. This is the time from infection to symptom onset, during which the Vibrio cholerae bacteria colonize the small intestine and begin producing enterotoxin.