Surveillance and disease data for West Nile virus infections
Weekly updates: 2021 West Nile virus transmission season
Weekly updates with the latest reports on West Nile virus cases in Europe. Interactive maps and tables updated every Friday, during the transmission season.
About seasonal surveillance
The data should inform the blood safety authorities of areas with ongoing transmissions. According to the EU law, donors should be differed/tested.
Seasonal surveillance: Previous seasons
Historical data for the West Nile virus surveillance is available by year, since 2011.