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

Since the beginning of 2026 and as at 4 November 2026, two countries in Europe have reported locally acquired cases of dengue: Italy (76 cases) and France (8 cases).

Since last week’s update, no new locally acquired dengue cases were reported. In Italy, six of the clusters are currently active, while one cluster is active in France.

The latest weekly seasonal surveillance report showing geographical areas with locally acquired cases 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.