West Nile virus in Europe in 2022 - human cases, updated 7 September 2022

Since last week’s update, and as of 7 September 2022, European Union (EU) and European Economic Area (EEA) countries reported 123 human cases of West Nile virus (WNV) infection and three deaths related to WNV infections. Cases were reported by Italy (82), Greece (36), Romania (3), and Hungary (2). Deaths were reported by Greece (2) and Italy (1). EU-neighbouring countries reported 25 human cases of WNV infection in Serbia and no deaths related to WNV infections.

This week, among the reporting countries, the following NUTS 3 or GAUL1 regions have reported human cases of WNV infection for the first time: Monza e della Brianza in Italy.

Since the beginning of the 2022 transmission season and as of 7 September 2022, EU/EEA countries have reported 570 human cases of WNV infection in Italy (383), Greece (155), Romania (21), Hungary (7), Austria (2), Germany (1), and Slovakia (1). There are 36 deaths in EU/EEA countries in Italy (21), Greece (14) and Romania (1). EU-neighbouring countries have reported 130 human cases of WNV infection in Serbia and seven deaths in Serbia.