Surveillance and updates on dengue
Seasonal surveillance in the EU/EEA for 2026
Update providing weekly overview of the countries and areas where dengue cases have been reported.
Risk assessment for the EU/EEA
The likelihood of onward transmission of dengue virus in mainland Europe is linked to importation of the virus by viraemic travellers into receptive areas with established and active competent mosquito vectors (e.g. Aedes albopictus and Aedes aegypti).
Historical data on local transmission in the EU/EEA
History of areas where local transmission of the dengue virus has been reported in the EU/EEA since 2010
Every month ECDC provides detailed epidemiological overview of the worldwide transmission of dengue in its weekly threat report (Communicable Diseases Threat Report).
Travel-associated cases in the EU/EEA
Overview of all countries and outermost regions visited by European travellers which were diagnosed with dengue after returning to mainland EU/EEA.
