Twelve-month Chikungunya virus disease case notification rate per 100 000 population, April 2024-March 2025

Since the beginning of 2025, and as of March, approximately 80 000 CHIKVD cases and 46 CHIKVD-related deaths have been reported in 14 countries/territories. Cases have been reported in the Americas, Africa and Asia, and while no cases have been reported in mainland Europe, in Reunion (an overseas department of France and outermost region of the European Union (EU)) a CHIKVD outbreak is ongoing and a case has also been reported in Mayotte (an overseas department and region of France).