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

Since the beginning of 2025, and as of beginning of June, approximately 220 000 CHIKVD cases and 80 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 Réunion and Mayotte (outermost regions of the European Union), CHIKVD outbreaks are ongoing.