Interim surveillance case definition for influenza A/H5N1 in humans in the EU

7 Nov 2025 - This issue of the ECDC Communicable Disease Threats Report (CDTR) covers the period 1-7 November 2025, and includes updates on respiratory virus epidemiology in the EU/EEA, SARS-CoV-2 variant classification, cholera, chikungunya, West Nile virus, dengue, Middle East respiratory syndrome (MERS), Cholera, Ebola, and Rift Valley Fever.

7 Nov 2025 - This report gives an overview of the countries and areas where dengue cases – and their corresponding case numbers - have been reported to the European surveillance portal for infectious diseases (EpiPulse).

7 Nov 2025 - Update providing weekly overview of the countries and areas where chikungunya virus disease cases have been reported.