The West Nile virus transmission season is underway in many parts of Europe, with locally transmitted cases reported in Greece, Italy, Spain, Romania and North Macedonia, according to the latest data from the European Centre for Disease Prevention and Control (ECDC).
In Greece, 21 locally acquired cases of West Nile virus infection have been recorded from the start of the 2026 surveillance season until 22 July, the National Public Health Organisation (EODY) announced.