<p>A cross sectional outbreak investigation was conducted from 20th February to 9th March 2023. We reviewed clinical registers and interviewed patients using questionnaire. A suspected case was any person older than two years, from Mahembe, Kagano and Gihombo sectors, with watery diarrhea more than three times per 24 hours, vomiting, and dehydration, symptom onset on or after 20th February, 2023. Samples were collected and sent to the National Reference laboratory for confirmation. A confirmed case was isolation of vibrio cholerae in the stool of suspected case. Linelist for data collection were established and drug sensitivity pattern was performed.</p>