Seasonal surveillance of dengue in the EU/EEA – 2026 (weekly report)

Since the beginning of 2026, and as at 21 October 2026, two countries in Europe have reported locally acquired cases of dengue: Italy (73 cases) and France (7 cases).

Since last week’s update, Italy has reported three new locally acquired dengue cases. The cumulative number of locally acquired cases in Italy is 73, distributed across seven clusters. Six clusters are currently active.

One new locally acquired case was reported by France since last week’s update. The cumulative number of locally acquired cases in France is seven cases, distributed across five clusters. The newly reported cluster in the municipality of La Farlède, Var department is currently active.

The report is available online.

ECDC will continue to monitor the situation and will publish a weekly report on the occurrence of dengue in the EU/EEA until November 2026.