West Nile virus in Europe in 2022 - human cases, 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).

Since the beginning of the 2022 transmission season and as of 3 August 2022, EU/EEA countries have reported 120 human cases of WNV infection in Italy (94), Greece (23), Romania (2) and Slovakia (1) and 7 deaths, all in Italy. EU-neighbouring countries have reported 23 human cases of WNV infection in Serbia (23) and one death in Serbia.

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.