Key facts
- Since the beginning of 2026 and as at 9 September 2026, two countries in Europe have reported locally acquired cases of chikungunya virus disease: France (57 cases) and Italy (one case).
- Since last Friday’s update was published, a total of 12 additional locally-acquired cases have been reported in Europe.
- Italy has also reported for the first time this season, with one case in Rome.
- The current chikungunya virus disease risk assessment for mainland EU/EEA is available on ECDC’s dedicated chikungunya webpage.
Overview
Since the beginning of 2026 and as at 9 September 2026, two countries in Europe have reported locally acquired cases of chikungunya virus disease: France (57 cases) and Italy (one case).
Since last Friday's update was published, a total of 12 additional locally-acquired cases have been reported in Europe. Italy has also reported for the first time this season, with one case in Rome.
Of the eleven clusters reported in France in 2026, ten are currently active. Three new clusters, with one case each, have been reported in Bordeaux, Etauliers, and Portets in the department of Gironde. The largest active cluster is still the one at Prignac-et-Marcamps in the department of Gironde, consisting of 28 cases.
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.