Overview
Since the beginning of 2026 and as at 14 October 2026, two countries in Europe have reported locally acquired cases of chikungunya virus disease: France (163 cases) and Italy (1 case).
Since last week’s update, France has reported 17 new locally acquired chikungunya virus disease cases, bringing the total to 163 cases. These cases are distributed across 21 clusters, with one new cluster identified (municipality of Sainte-Eulalie, Gironde department). Seventeen clusters are currently active, including the largest two clusters in Prayssac, Lot department (35 cases) and Prignac-et-Marcamps, Gironde department (30 cases).
No new locally acquired chikungunya virus disease cases have been reported by Italy since last week’s update. To date, Italy has reported one locally acquired chikungunya virus disease case in Rome. The associated cluster is closed.
The report is available online.
ECDC assessment
The current chikungunya virus disease risk assessment for mainland EU/EEA is available on ECDC’s dedicated chikungunya virus disease webpage.