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): Chad's diphtheria outbreak has reported 5,227 suspected cases (49 confirmed, mostly clinically compatible) and 54 deaths (CFR 1%) as of 1 March 2026, across 27 health districts in 7 provincial delegations. Case numbers are declining but the outbreak continues amid a severe humanitarian crisis, with over 1.4 million refugees hosted in the country. A GAVI-funded vaccination campaign has been requested.
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 — Chad [Internet]. 2026-03-01 [cited 2026 Aug 19]. Available from: https://healthwatch-global.com/en/outbreak/4d51097f-05e2-458d-a61b-a2f67be82bf2. Data source: WHO.
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