12-month Chikungunya virus disease case notification rate per 100 000 population, September 2024-August 2025

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Since the beginning of 2025, and as of August, approximately 317 000 CHIKVD cases and 135 CHIKVD-related deaths have been reported in 16 countries/territories. Cases have been reported in the Americas, Africa, Asia, and Europe.
12-month Chikungunya virus disease case notification rate per 100 000 population, September 2024-August 2025

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12-month Chikungunya virus disease case notification rate per 100 000 population, December 2024 to November 2025

Every month ECDC provides detailed epidemiological overview of the worldwide transmission of chikungunya virus disease in its weekly threat report (Communicable Diseases Threat Report).