Weekly updates: 2019 West Nile virus transmission season

Map

Situation update

Between 22 and 28 November 2019, one human case of West Nile virus infection has been reported by Turkey. The case had a disease onset from week 35 and was reported from an area that has been affected previously. No deaths were reported this week.  

In the same time period, Spain reported one outbreak among equids to the Animal Disease Notification System (ADNS).

The most recent onset date is from week 43 (21 to 27 October). As no new human cases with disease onset in the previous four weeks have been reported, this is the final weekly update for the 2019 transmission season.

Since the beginning of the 2019 transmission season and as of 28 November 2019, EU Member States and EU neighbouring countries have reported 463 human infections. EU Member States reported 410 cases: Greece (223), Romania (66), Italy (53), Hungary (36), Cyprus (16), Bulgaria (5), Austria (4), Germany (4), France (2), and Slovakia (1). EU neighbouring countries reported 53 human cases in Serbia (27), Israel (10), Turkey (10) and North Macedonia (6).

To date, 50 deaths due to West Nile virus infection have been reported by Greece (34), Romania (8), Italy (4), Cyprus (1), Bulgaria (1), North Macedonia (1) and Serbia (1).

During the current transmission season, 89 outbreaks among equids have been reported by Germany (30), Greece (21), France (13), Italy (8), Hungary (7), Spain (5), Austria (4) and Portugal (1). In addition, 54 outbreaks among birds have been reported to ADNS by Germany (53) and Greece (1).

Data from the ECDC surveillance Atlas

Weekly maps

West Nile virus in Europe in 2019 - human cases, updated 29 November 2019

Between 22 and 28 November 2019, one human case of West Nile virus infection has been reported by Turkey.

West Nile virus in Europe in 2019 - outbreaks among equids and/or birds, updated 29 November 2019

During the past week, Spain reported one outbreak among equids to the Animal Disease Notification System (ADNS).

West Nile virus in Europe in 2019 - infections among humans and outbreaks among equids and/or birds, updated 29 November 2019

Between 22 and 28 November 2019, one human case of West Nile virus infection has been reported by Turkey; Spain reported one outbreak among equids.

West Nile virus in Europe in 2019 - human cases compared to previous seasons, updated 29 November 2019

Between 22 and 28 November 2019, one human case of West Nile virus infection has been reported by Turkey - from an area that has been affected previously.

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