West Nile virus outbreak in Greece: 157 cases and 13 deaths recorded

As of August 19, 2026, Greece has recorded 157 indigenous cases of West Nile virus, including 13 fatalities. Health authorities report that 116 of these cases involve manifestations related to the Central Nervous System, such as encephalitis or meningitis, while 41 cases presented milder symptoms. All deceased patients were over 65 years old, with a median age of 82. The National Public Health Organization (EODY) confirmed 47 new domestic cases within the last week alone.

Matina Pagoni, acting president of the Panhellenic Medical Association, noted that the high number of cases in Attica was unexpected, as such outbreaks were traditionally anticipated in marshy areas of central Greece. Despite extensive spraying efforts, the virus has spread across various regions in Attica, including the southern suburbs, Varibobi, Vouliagmeni, Markopoulo, and Pallini. Experts attribute the persistence of the mosquito population to high humidity levels during evening hours. While officials emphasize that there is no cause for panic, they highlight that the total number of cases observed this year has already matched the total count from the previous year. Authorities continue to monitor the situation, urging caution as investigations into the spread of the virus remain ongoing.