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Cumulative cases since outbreak start — WHO DON bulletin dated 2025-11-21
Official report date — in isolated zones, field onset typically precedes this by days to weeks.
From 1 January to 2 November 2025, a total of 20 412 suspected diphtheria cases, including 1 252 deaths (an average case fatality ratio [CFR] - 6 %) have been reported across eight Member States in the WHO African Region (Algeria, Chad, Guinea, Mali, Mauritania, Niger, Nigeria, and South Africa). Several of these countries have been experiencing ongoing outbreaks since 2023. Children and young adu
Cite this page (Vancouver)
HealthWatch Global. Diphtheria outbreak — Niger [Internet]. 2025-11-21 [cited 2026 Jul 05]. Available from: https://healthwatch-global.com/en/outbreak/fb90624d-9d33-436b-977e-08695135bd78. Data source: WHO DON.
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