Chikungunya virus disease worldwide overview
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The headline describes a worldwide overview, but the retained update uses a particular data-collection window and excludes EU/EEA countries and territories from the figures quoted here. Those boundaries matter before comparing its monthly totals.
A rise between the two reported months is a statement about this reporting series. It does not by itself measure the change in risk for every destination. Use our number-comparison guide to check geography, definitions and reporting delays together.
From the source
Situation update, September 2026
Since the previous update (data collection period 3–5 August, data available up to 28 July) and as of 30 August (data collection period 22–24 September, data available up to 30 August), 29 268 chikungunya virus disease (CHIKVD) cases and two associated deaths have been detected in nine countries, excluding EU/EEA countries and territories. Cases reported in August (29 268 cases) increased compared with July, when 6 748 cases were reported. However, deaths reported in August (two deaths) decreased compared with the previous month, when four deaths were reported. In 2026, a total of 250 051 CHIKVD cases has been reported and 87 associated deaths.
Sources & Verification
Source: ECDC, CC BY 4.0. Source text reproduced with attribution; topic labels and page layout added by Worldwide Outbreak. No endorsement implied.
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Feed retrieved 24 Oct 2026, 14:09 UTC.
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