From the beginning of 2026 to September 9, 57 locally acquired Chikungunya cases have been reported in France. 11 new cases have been incorporated since the last update. Ten of the eleven clusters reported during the season remain active. Three new clusters, each with one case, were detected in Bordeaux, Etauliers, and Portets (Gironde department). The largest active cluster is located in Prignac-et-Marcamps, Gironde, with 28 cases. The ECDC maintains enhanced seasonal surveillance until November 2026.
