West Nile virus in Europe in 2021 - human cases, updated 26 August 2021

Between 20 and 26 August 2021, European Union (EU) and European Economic Area (EEA) countries reported 15 human cases of West Nile virus (WNV) infection and 1 death related to WNV infections. Cases were reported by Greece (11), Hungary (2) and Romania (2). The death was reported by Greece. EU-neighbouring countries reported 3 human cases of WNV infection in Serbia and no deaths related to WNV infections.

According to media, 3 human cases of WNV infection were reported last week from the province of Seville, Spain. These cases will not appear in outputs, such as the WNV dashboard, maps and downloadable data file, until they are reported through The European Surveillance System (TESSy).

Since the beginning of the 2021 transmission season and as of 26 August 2021, EU/EEA countries have reported 43 human cases of WNV infection in Greece (25), Italy (11), Romania (3), Austria (2) and Hungary (2) and 1 death in Greece (1). EU-neighbouring countries have reported 6 human cases of WNV infection in Serbia (6) and 2 deaths in Serbia (2).