West Nile virus in Europe in 2022 - human cases, updated 22 September 2022

Since last week’s update, and as of 21 September 2022, European Union (EU) and European Economic Area (EEA) countries reported 47 human cases of West Nile virus (WNV) infection and 3 deaths related to WNV infections. Cases were reported by Greece (39), Romania (4), Austria (2) and Spain (2). Deaths were reported by Greece (3). EU-neighbouring countries reported 15 human cases of WNV infection in Serbia (15) 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: Tarragona in Spain.

Since the beginning of the 2022 transmission season and as of 21 September 2022, EU/EEA countries have reported 774 human cases of WNV infection in Italy (474), Greece (231), Romania (38), Hungary (12), Austria (6), Croatia (6), Germany (3), Spain (3) and Slovakia (1). EU/EEA countries have reported 51 deaths in Italy (28), Greece (20) and Romania (3). EU-neighbouring countries have reported 169 human cases of WNV infection in Serbia and 8 deaths in Serbia.