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From the begining of summer 2021 to 26 August 2021, the European Centre for Disease Prevention and Control has reported 43 cases of West Nile fever in EU countries. These cases have been recorded in Greece (25, including 1 death), Italy (11), Romania (3), Austria (2) and Hungary (2) . In Serbia there have been 6 cases, of whom 2 have died.
West Nile fever is caused by West Nile virus (WNV) and occurs annually in southern and central Europe. The virus is spread by mosquito bites and can cause a flu-like illness and rarely, severe disease.
Travellers should be advised to:
There is no vaccine against West Nile virus.
Note for blood donors: those who have recently travelled to an area with WNV transmission may need to be tested for WNV before donating blood.
For further information see TRAVAX West Nile Fever page.