Cumulative cases since outbreak start — WHO bulletin dated 2025-05-31
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 v1 (17 December 2025): Comoros reported 4 confirmed chikungunya cases between epidemiological weeks 1 and 22 of 2025 (1 January-31 May). No cases have been reported in Comoros in any subsequent WHO assessment.
Case trend
Cite this page (Vancouver)
HealthWatch Global. Chikungunya outbreak — Comoros [Internet]. 2025-05-31 [cited 2026 Aug 19]. Available from: https://healthwatch-global.com/en/outbreak/bfa1532b-5cb5-42aa-8ac1-b722de805b9d. Data source: WHO.
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