A cluster of Vibrio cholerae O1 infections in French travelers to Rajasthan (India), May 2006.

A woman aged 60 years was hospitalized for Vibrio cholerae serogroup O1 cholera. Twenty-six fellow travelers and 48 health care workers who cared for the patient were individually traced and contacted. Of the 23/27 travelers with diarrhea during the trip, 4 presented antibodies. There was no person-to-person transmission.