Overview
Since the beginning of 2026 and as at 7 October 2026, two countries in Europe have reported locally acquired cases of dengue: Italy (68 cases) and France (six cases).
Since last week’s update, Italy has reported nine new locally acquired dengue cases. The cumulative number of locally acquired cases in Italy is 68, distributed across six clusters. Among these, one newly identified cluster, ‘Roma’ (Rome NUTS 3 region), was reported, while several previously reported clusters were consolidated into a single cluster, now referred to as ‘Piombino’ (Livorno and Firenze NUTS 3 regions). All clusters are currently active.
No new locally acquired dengue cases have been reported by France since last week’s update. The cumulative number of locally acquired cases in France remains six, distributed across four clusters. No clusters are currently active.
The report is available online.
ECDC assessment
The current dengue risk assessment for mainland EU/EEA is available on ECDC’s dedicated dengue webpage.