From the beginning of the 2024 period, until September 18, a total of 180 domestic cases of West Nile virus infection have been diagnosed and investigated in Greece, of which 132 cases presented manifestations from the Central Nervous System (CNS, encephalitis and/or meningitis and/or acute flaccid paralysis) and 48 cases had mild/no CNS manifestations.

According to the epidemiological report of the EODY, during the last week, 18 new domestic cases were diagnosed/declared. There have also been four imported cases of the infection in patients exposed to other countries abroad (three in Albania and one in Austria), which were not included in the further analysis. Two more cases, with complex travel histories, are pending completion of investigation as to whether they are imported or domestic cases (also not included in further analysis).

In the last week there have been 2 deaths in patients with the virus infection, bringing the total number of deaths to 27. An additional death of a patient diagnosed with West Nile virus infection was attributed to another serious coexisting health problem (not included in the total death toll ).

Cases of West Nile virus infection have been recorded in Greece, in settlements, in 63 municipalities of the country, in 29 Regional Units, and specifically in the Regional Units: Larissa, Karditsa, Trikala, Lefkada, Thesprotia, Preveza, Halkidiki, Pella, Pieria , Serres, Kilkis, Imathia, Rhodope, Drama, Evros, Xanthi, Kavala, Thassos, Achaia, Aitoloakarnania, Ilia, Argolis, Arcadia, Southern Sector of Athens, Central Sector of Athens, Eastern Attica, Fthiotida, Boeotia and in the Metropolitan Unit of Thessaloniki.

In the European Union and in its neighboring countries – apart from our country – cases of West Nile virus infection have been recorded in: Italy, Spain, France, Germany, Austria, Hungary, Romania, Slovenia, Croatia, Kosovo, Albania, Serbia , North Macedonia, Bulgaria and Turkey.

Epidemiological surveillance of the disease, the timely implementation of appropriate integrated mosquito control programs and the adoption of personal protection measures against mosquitoes are the most appropriate measures to control the disease. In this context, the vigilance of health professionals is deemed necessary, on the one hand, and the continued vigilance of local and national authorities on the other.