West Nile virus in Europe in 2022 - infections among humans and outbreaks among equids and/or birds, updated 31 August 2022

Since last week’s update, and as of 31 August 2022, EU/EEA countries reported 45 human cases of West Nile virus (WNV) infection and five deaths related to WNV infections. Cases were reported by Greece (34), Romania (10) and Hungary (1). Deaths were reported by Greece (4). EU-neighbouring countries reported 24 human cases of WNV infection in Serbia (24) and one death related to WNV infections in Serbia (1).

There are no updates for Italy this week due to technical difficulties.

Since the beginning of the 2022 transmission season and as of 31 August 2022, EU/EEA countries reported 442 human cases of WNV infection in Italy (301), Greece (118), Romania (18), Austria (2), Germany (1), Hungary (1) and Slovakia (1). There were 32 deaths in EU/EEA countries in Italy (20), Greece (11) and Romania (1). EU-neighbouring countries have reported 105 human cases of WNV infection in Serbia (105), as well as seven deaths in Serbia (7).

Since the beginning of the 2022 transmission season, 27 outbreaks among equids and 117 outbreaks among birds have been reported by EU/EEA countries. Outbreaks among equids have been reported by Italy (22), Hungary (2), Germany (1), Greece (1) and France (1). Outbreaks among birds have been reported by Italy (115), Austria (1) and Germany (1).