The ECDC updates are based on available data reported through the European Surveillance System (TESSy) by the national public health authorities of EU/EEA countries.
Influenza, SARS-CoV-2 and RSV activity in EU/EEA Member States continue to decrease or remain stable at low levels. Cases, including severe infections, can still occur and it therefore remains essential to continue testing patients presenting with severe acute respiratory symptoms in order to guide treatment and inform epidemiological assessments.
This issue of the ECDC Communicable Disease Threats Report (CDTR) covers the period 21–27 April 2024 and includes updates on respiratory virus epidemiology in the EU/EEA, West Nile virus, SARS-CoV-2 variant classification and Cholera.
European Immunization Week (EIW) is marked across Europe every year in the final week of April. It aims to raise awareness of the importance of immunisation for the general health and well-being of the European and wider population.
During the 2023 West Nile virus transmission season, and as of 4 January 2024, 709 locally acquired human cases of West Nile virus infection, including 67 deaths, were reported by nine European Union countries.