West Nile virus - infections among humans and outbreaks among equids and/or birds, 27 September 2023

Since the beginning of the 2023 transmission season and as of 27 September 2023, EU/EEA countries have reported 564 human cases of WNV infection in Italy (280), Greece (143, of which 1 with unknown place of infection), Romania (63), France (32), Hungary (27), Spain (8, of which 1 with unknown place of infection), Croatia (6), Germany (4) and Cyprus (1). EU/EEA countries have reported 46 deaths in Greece (19), Italy (17), Romania (9) and Spain (1). EU-neighbouring countries have reported 83 human cases of WNV infection in Serbia (82) and North Macedonia (1). No deaths related to WNV infections were reported by EU-neighbouring countries.

During the current transmission season, within the reporting countries, autochthonous human cases of WNV infection were reported from 118 different NUTS 3 or GAUL 1 regions, of which the following regions reported autochthonous human cases of WNV infection for the first time ever: Gironde, Charente-Maritime, Alpes-Maritimes and Charente in France, Sömmerda in Germany, Ioannina and Kastoria in Greece, Imperia, Taranto and Lecce in Italy, Barcelona, Cáceres and Huelva and Valencia/València in Spain.

Since the beginning of the 2023 transmission season, 61 outbreaks among equids and 177 outbreaks among birds have been reported by EU/EEA countries. Outbreaks among equids have been reported by Spain (24), Hungary (22), Italy (10), Germany (2), France (2) and Portugal (1). Outbreaks among birds have been reported by Italy (139), Germany (17), Spain (13), Bulgaria (4), Hungary (2), Greece (1) and France (1).