Weekly updates: 2019 West Nile virus transmission season

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Situation update

Between 9 and 15 August 2019, EU Member States reported 22 human cases in Greece (14), Romania (4), Cyprus (3) and Bulgaria (1). One human case was reported for the first time in Montana, Bulgaria. All other human cases were reported from areas that have been affected during previous transmission seasons. This week, two deaths were reported; one by Greece and one by Romania.

No equine outbreaks were reported to the Animal Disease Notification System this week.

Since the beginning of the 2019 transmission season and as of 15 August 2019, EU Member States and EU neighbouring countries reported 69 human West Nile virus infections in total. EU Member States reported 68 cases in Greece (48), Romania (8), Cyprus (5), Italy (3), Hungary (2), Bulgaria (1) and France (1). One case was reported by Serbia in the EU neighbouring countries.

To date, six deaths due to West Nile virus infection have been reported by Greece (4) and Romania (2).

During the current transmission season, seven outbreaks among equids have been reported by Greece (6) and Italy (1).

Data from the ECDC surveillance Atlas

Weekly updates

Case definition

EU case definition for diagnosing and reporting West Nile virus infection, under Decision No 2119/98/EC of the European Parliament and of the Council.

ECDC publishes weekly WNV epidemiological updates during the WNV transmission season, including the geographical distribution of human cases in the EU/EEA and EU neighbouring countries. In addition, ECDC includes maps in its epidemiological updates highlighting areas where WNV outbreaks among equids have been reported. Read more