Nigeria: Health Sector Cholera Outbreak Situation Report – Borno State, No. 03 (18 May 2026)

Country: Nigeria

Sources: Health Cluster, World Health Organization

Please refer to the attached file.

This Situation Report provides an update on the cholera outbreak response in Borno State, Nigeria, covering the period from 1 to 17 May 2026.

As of 17 May 2026, a cumulative 1,565 suspected cholera cases and 22 associated deaths had been reported across four LGAs, with a case fatality rate (CFR) of 1.4%. The report summarizes the evolving epidemiological situation and response activities, including surveillance, laboratory confirmation, case management, WASH interventions, risk communication, and daily multisectoral coordination. ...