We conducted a retrospective cohort study. We defined probable case as any person who attended the wedding and had profuse watery diarrhea of acute onset with more than 3 episodes in 24 hours, and confirmed case as any attendee with positive RDT for Cholera or isolation of Vibrio cholera. We conducted physical and phone call interviews with wedding attendees and their contacts. We collected socio-demographic, clinical information and calculated descriptive and analytic statistics. We conducted environmental assessment using a checklist and collected water and stool samples for laboratory investigation.