Multi-country outbreak of cholera, epidemiological update #33 -27 January 2026

Overview

From 1 January to 28 December 2025, a cumulative total of 614 828 cholera cases and 7598 deaths were reported from 33 countries across five WHO regions, with the Eastern Mediterranean Region recording the highest numbers, followed by the African Region, the South-East Asia Region, the Region of the Americas, and the Western Pacific Region. No cases were reported from the European Region during this period.

In December 2025 (epidemiological weeks 49 to 52) a total of 17 327 new cholera and acute watery diarrhoea (AWD) cases were reported from 16 countries across three WHO regions, showing a 25% decrease from November. In this period, 137 cholera-related deaths were reported globally, a 16% decrease from the previous month.