Historical data by year

The West Nile fever maps aim to provide information about WNV affected areas in timely manner and not to be comprehensive in terms of number of cases in the affected areas. Between June and November, ECDC publishes weekly epidemiological updates on West Nile fever human cases occurring in the European Union and neighbouring countries. The updates are available via the Surveillance Atlas of Infectious Diseases.

The page presents summaries of the data collected at the end of the West Nile fever transmission season, since 2011.

 

West Nile fever data 2016

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 saw its first human case of West Nile fever. Both Russia and Israel reported a large number of cases.

West Nile fever data 2015

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. In the EU, reported cases are neuro-invasive and non neuro-invasive autochthonous West Nile fever cases meeting laboratory criteria as per the EU case definition (Directive 2008/426/EC). Outside the EU, all non-imported cases are included.   The first case of West Nile fever was reported on 23 June 2015 from Sofia in Bulgaria. Since the beginning of the 2015 transmission season, 108 cases of West Nile fever in humans have been reported in the EU, 60 in Italy, 18 in Hungary, 19 in Romania, seven in Austria, two in Bulgaria, one in France and one in Portugal. In neighbouring countries, 193 cases have been detected in Israel (125), the Russian Federation (39), Serbia (28) and Palestine* (1). 

West Nile fever data 2014

The figures for the 2014 season are as follows: 74 autochthonous cases were detected in the EU and 136 cases in neighbouring countries. In the EU, cases were reported from the following countries: Austria (1), Greece (15), Hungary (11), Italy (24) and Romania (23). In neighbouring countries, cases were reported in Bosnia and Herzegovina, Israel, Palestine*, the Russian Federation and Serbia.

*This designation shall not be construed as recognition of a State of Palestine and is without prejudice to the individual positions of the Member States on this issue.

West Nile fever data 2013

In 2013, ECDC monitored the West Nile fever situation during the transmission season (June to November) in the EU Member States and neighbouring countries. The figures for the 2013 season are the following: 228 autochthonous cases were detected in the EU and 557 in neighbouring countries. In the EU, the cases reported from the following countries: Greece (86), Italy (69), Hungary (31), Romania (24), Croatia (16), Czech Republic (1) and Slovenia (1). In the neighbouring countries, cases have been notified in Bosnia and Herzegovina, Former Yugoslav Republic of Macedonia, Israel, Montenegro, Russian Federation, Serbia, Tunisia and Ukraine. For a more detailed overview, including the regional level, please see the West Nile map for 2013.  

West Nile fever data 2012

In 2012, ECDC monitored the West Nile fever situation during the transmission season (June to November) in the EU Member States and neighbouring countries. The figures for the 2012 season are the following: 242 autochthonous cases were detected in the EU and 693 in neighbouring countries. The cases reported in the EU included 161 cases from Greece, 50 from Italy (including five asymptomatic blood donors), 17 from Hungary and 14 from Romania. In the neighbouring countries, cases have been notified in Algeria, Croatia, Former Yugoslav Republic of Macedonia, Israel, Kosovo*, Montenegro, Occupied Palestinian territory, Russian Federation, Serbia, Tunisia and Ukraine. For a more detailed overview, including the regional level, please see the West Nile map for 2012.

* This designation is without prejudice to positions on status, and is in line with UNSCR 1244 and the IСJ Opinion on the Kosovo Declaration of Independence

West Nile fever data 2011

In 2011, ECDC monitored the West Nile fever situation during the transmission season (June to November) in the EU Member States and neighbouring countries. The figures for the 2011 season are the following: 128 autochthonous cases were detected in the EU and 212 in neighbouring countries. The cases reported in the EU included 100 cases from Greece, 14 from Italy, 11 from Romania and three from Hungary. In the neighbouring countries, cases have been notified in Albania, Former Yugoslav Republic of Macedonia, Israel, Russian Federation, Tunisia, Turkey and Ukraine. For a more detailed overview, including the regional level, please see the West Nile map for 2011.

West Nile fever data 2010

In 2010, autochthonous human cases of West Nile fever were detected in several EU countries: Austria, Greece, Hungary, Italy, Romania and Spain. In Greece, a large outbreak affected the northern part of the country, Central Macedonia, with 262 human cases and 35 deaths reported. At the same time, outbreaks of West Nile fever were also reported from Turkey and Russia.  

Data

West Nile fever cases by affected areas in Europe and the Mediterranean, 2010 transmission season

map -
Period: 31 May 2010 - 30 Nov 2011

The map shows the distribution of West File fever cases by affected areas in the European region and Mediterranean basin, during the West Nile fever transmission season 2010.