Weekly updates: 2019 West Nile virus transmission season

Map

Situation update

Between 11 and 17 October 2019, EU Member States reported four human cases in Greece (2) and Italy (2). Five cases were reported from EU neighbouring countries in Serbia (4) and North Macedonia (1). All human cases were reported from areas that have been affected previously. This week, one death was reported by Greece.

In the same week, five outbreaks among equids were reported to the Animal Disease Notification System (ADNS) by Germany (3), France (1) and Greece (1).

Since the beginning of the 2019 transmission season and as of 17 October 2019, EU Member States and EU neighbouring countries reported 435 human infections. EU Member States reported 385 cases: Greece (220), Romania (62), Italy (42), Hungary (33), Cyprus (16), Austria (4), Bulgaria (4), France (2), Germany (1) and Slovakia (1). EU neighbouring countries reported 50 human cases in Serbia (27), Israel (10) Turkey (7) and North Macedonia (6).

To date, 43 deaths due to West Nile virus infection have been reported by Greece (30), Romania (6), Italy (4), Cyprus (1), North Macedonia (1) and Serbia (1).

During the current transmission season, 66 outbreaks among equids have been reported by Greece (21), Germany (18), Italy (8), France (7), Hungary (7), Austria (3) and Spain (2). In addition, Germany reported 52 outbreaks among birds to ADNS.

Data from the ECDC surveillance Atlas

Weekly maps

West Nile virus in Europe in 2019 - human cases, updated 11 October

Between 4 and 10 October 2019, EU Member States reported nine human cases in Romania (5), Greece (3) and Hungary (1). Thirteen cases were reported from EU neighbouring countries in Israel (10) and Serbia (3). All human cases were reported from areas that have been affected previously.

West Nile virus in Europe in 2019 - human cases compared to previous seasons, updated 11 October

All human cases were reported from areas that have been affected previously.

West Nile virus in Europe in 2019 - outbreaks among equids and/or birds, updated 11 October

Seven outbreaks among equids were reported to the Animal Disease Notification System (ADNS) by Greece (5), Hungary (1) and Spain (1).

West Nile virus in Europe in 2019 - infections among humans and outbreaks among equids and/or birds, updated 11 October

Between 4 and 10 October 2019, EU Member States reported nine human cases, and the EU neighbouring countries - thirteen cases. Seven outbreaks among equids were reported to the Animal Disease Notification System (ADNS).

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