West Nile virus in Europe in 2020 - human cases, updated 15 October 2020
and 15 October 2020, EU Member States reported 14 human cases of WNV infection: Italy (11), Greece (2) and Bulgaria (1). Pazardzhik Province in Bulgaria reported a locally-acquired human case of WNV infection for the first time through TESSy. All other cases were reported from areas that have been affected during previous transmission seasons. This week, three deaths were reported, by Italy (2) and Bulgaria (1). No human cases of WNV infection or deaths were reported from EU neighbouring countries.
On 15 October 2020, Dutch health authorities reported the first locally-acquired human WNV infection in the Netherlands. The patient had no travel history and it is suspected that he may have contracted the virus through a mosquito bite in the region of Utrecht. In this region, WNV-infected birds and mosquitoes have been detected in August and September. As this case has been reported through TESSy yet, it is currently not represented on the maps and in the Surveillance Atlas.
Since the start of the 2020 transmission season and as of 15 October 2020, EU Member States have reported 299 human cases of WNV infection and 34 deaths through TESSy: Greece (137, including 20 deaths), Spain (75, including 7 deaths), Italy (65, including 5 deaths), Germany (12), Romania (6, including 1 death), Hungary (3) and Bulgaria (1). Pazardzhik Province in Bulgaria, the Province of Badajoz in Spain, and five regions in Germany (regions of Barnim, Ostprignitz-Ruppin, Saalekreis, Halle (Saale) and Meissen) reported locally-acquired human cases of WNV infection for the first time. All other cases were reported from areas that have been affected during previous transmission seasons. No cases have been reported from EU neighbouring countries.