12-month Chikungunya virus disease case notification rate per 100 000 population, August 2025-July 2026

Since the start of 2026, and as of 5 August 2026 (data collection period 3–5 August, data available up to 28 July), 219 522 chikungunya virus disease (CHIKVD) cases and 81 associated deaths have been detected in 25 countries, excluding EU/EEA countries and territories. Cases reported in July (6 746 cases) decreased compared with June, when 41 959 cases were reported. Deaths reported in July (four deaths) also decreased compared with the previous month, when 23 deaths were reported.