Cumulative cases since outbreak start — WHO bulletin dated 2026-03-01
Official report date — in isolated zones, field onset typically precedes this by days to weeks.
The exact nature of this date (week of confirmation, transmission period, or bulletin publication date) is not specified by the source.
WHO Rapid Risk Assessment (16 March 2026): Niger's diphtheria outbreak has reported 2,456 suspected cases (313 lab-confirmed) and 166 deaths (CFR 6.8%) as of 1 March 2026, spreading to 34 of 72 districts across 8 regions. Weekly suspected cases have been rising again since week 4, 2026 after a prior decline. Two vaccination campaign rounds were conducted between September and December 2025.
Case trend
First actions
- →Log in national surveillance system — continue routine monitoring
- →Compare with seasonal baseline for this region and disease
- →Include in weekly surveillance briefing — escalate if trend worsens (▲ cases or CFR)
Cite this page (Vancouver)
HealthWatch Global. Diphtheria outbreak — Niger [Internet]. 2026-03-01 [cited 2026 Aug 20]. Available from: https://healthwatch-global.com/en/outbreak/fb90624d-9d33-436b-977e-08695135bd78. Data source: WHO.
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