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As of 1 February 2021, European Union (EU) and European Economic Area (EEA) Member States and EU-neighbouring countries reported 336 locally-acquired human cases of West Nile virus infections in 2020. The last case of this transmission season was reported by the Netherlands in week 47.

The report provides an overview of the COVID-19 epidemiology in the EU/EEA and the UK using the available data compiled from multiple sources.

As of 4 December 2019, European Union (EU) Member States and EU neighbouring countries reported 463 human infections in 2019. The last cases of this transmission season were reported by Italy in week 46.

During the 2018 transmission season, 1503 human cases and 285 outbreaks among equids were reported in the European Union.

Since the last epidemiological update on 31 August 2018, European countries have reported 530 new West Nile virus (WNV) cases and 52 deaths. The number of WNV infections reported so far exceeds the total number of infections in the previous five years.

As of 7 September 2018, the number of outbreak-confirmed cases reported in 22 EU/EEA countries since 1 June 2016 is 4 475.

During the 2017 transmission season, 204 human cases and 127 equine cases were reported in the European Union. This year, for the first time, ECDC included equine West Nile fever cases in its epidemiological updates.

Romania has been experiencing a large outbreak of measles since February 2016. Cases continue to be reported despite ongoing response measures implemented at national level through reinforced vaccination activities. Between 1 January 2016 and 07 July 2017, Romania reported 7 647 measles cases, including 31 deaths.

In 2016, 225 human cases of West Nile fever have been reported in the EU: most cases were reported in Romania and Italy, Hungary and Romania reported a significant increase in number of cases compared to the previous season. Cyprus detected its ever first human case of West Nile fever.

​Since the 5 June 2015, ECDC has published on its website an interactive atlas presenting weekly updates on spatial distribution of West Nile fever human cases in the European Union and neighbouring countries.