West Nile virus in Europe in 2022 - infections among humans and outbreaks among equids and/or birds, updated 3 August 2022

Since last week’s update, and as of 3 August 2022, European Union (EU) and European Economic Area (EEA) countries reported 66 human cases of West Nile virus (WNV) infection and 2 deaths related to WNV infections. Cases were reported by Italy (52), Greece (12) and Romania (2). Deaths were reported by Italy (2). EU-neighbouring countries reported 7 human cases of WNV infection in Serbia (7) and one death related to WNV infections in Serbia (1).

During the current transmission season, within the reporting countries, human cases of WNV infection were reported from 29 different NUTS 3 or GAUL 1 regions. All cases were reported from regions where WNV infections were reported in the previous years.

Since the beginning of the 2022 transmission season, 4 outbreaks among equids and 22 outbreaks among birds have been reported by EU/EEA countries. Outbreaks among equids have been reported by Italy (4). Outbreaks among birds have been reported by Italy (21) and Germany (1).