West Nile virus outbreaks among humans and animals, 2021 transmission season

As of 10 February 2022, European Union (EU) and European Economic Area (EEA) countries and EU-neighbouring countries reported 159 locally acquired human cases of West Nile virus infections, including 13 deaths, in 2021. The last case of this transmission season was reported by Greece in week 45.

During the 2021 transmission season, 43 outbreaks among equids were reported by EU/ EEA countries. In addition, eight outbreaks among birds were reported.