West Nile virus (WNV) infection is a mosquito-borne zoonosis. The virus is transmitted among birds via the bite of infected mosquitoes and incidentally humans and other mammals may become infected.
The expected seasonal increase of locally acquired West Nile virus (WNV) infections in Europe was observed as of July this year, indicating that the transmission season is well under way.
This issue of the ECDC Communicable Disease Threats Report (CDTR) covers the period 31 August - 6 September 2024 and includes updates on mpox, West Nile virus, SARS-CoV-2 variants, influenza A(H5N1), human cases of swine influenza A(H1N1), an overview of respiratory virus epidemiology in the EU/EEA, and mass gathering monitoring for the Olympic and Paralympic Games.
This issue of the ECDC Communicable Disease Threats Report (CDTR) covers the period 24-30 August 2024, and includes updates on mpox, chikungunya, dengue, West Nile virus, Legionnaires' disease, Middle East respiratory syndrome, cholera, an overview of respiratory virus epidemiology in the EU/EEA, and mass gathering monitoring for the Olympic and Paralympic Games.
As of 30 June 2023, European Union, European Economic Area and EU-neighbouring countries have reported 1 340 locally acquired human cases of West Nile virus infection, including 104 deaths, in 2022.