Periodic monitoring
Active
Key facts
- Since the beginning of 2026 and as at 9 September 2026, two countries in Europe have reported locally acquired cases of dengue: Italy (24 cases) and France (five cases).
- This week, Italy reported an additional 21 locally-acquired cases, including two cases in the Lecce area and 19 cases in the Livorno area. Both clusters were already active, and no new clusters have been identified.
- No new cases were reported in France.
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Overview
This week, Italy reported an additional 21 locally-acquired cases, including two cases in the Lecce area and 19 cases in the Livorno area. Both clusters were already active, and no new clusters have been identified. No new cases were reported in France.
The report is available online.
ECDC assessment
The current dengue risk assessment for mainland EU/EEA is available on ECDC’s dedicated dengue webpage.