West Nile virus - infections among humans and outbreaks among equids and/or birds, 31 May 2023
Since the beginning of the 2023 transmission season and as of 31 May 2023, EU/EEA countries have reported no human cases of WNV infection. EU-neighbouring countries also have reported no human cases of WNV infection.
Since the beginning of the 2023 transmission season, one outbreak among birds has been reported by Italy (on 12 May, in Varese).

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Weekly updates: 2023 West Nile virus transmission season
Weekly updates with the latest reports on West Nile virus cases in Europe. Interactive maps and tables updated every Friday, during the transmission season.