Country surveillance profile
Mosquito-borne disease in Greece — 2025–2026 data
As of 14 June 2026, Mosticare tracks Greece surveillance for West Nile virus. Greece had the second-most human West Nile virus cases in the EU/EEA in 2025 — 96 locally-acquired cases (76 of them neuro-invasive) and 9 deaths — behind only Italy (779). Each figure cites the responsible national or EU authority.
Last updated · 14 June 2026 · CC BY 4.0
Key facts
Greece had the second-most human West Nile virus cases in the EU/EEA in 2025 — 96 locally-acquired cases (76 of them neuro-invasive) and 9 deaths — behind only Italy (779). Attica was the main hotspot. The figures are EODY/NPHO's final 2025 count, consistent with ECDC's cross-country report.
Source: EODY · National Public Health Organization (NPHO), Greece · verified 14 June 2026
The data
| Country / region | Disease | Cases | Deaths | Period | Source | Updated |
|---|---|---|---|---|---|---|
| Greece | West Nile virus | 0 | 0 | 2026 transmission season (year-to-date) | ECDC · Surveillance of West Nile virus infections in humans in Europe (weekly report) | 14 June 2026 |
| Greece | West Nile virus | 96 | 9 | 2025 transmission season | EODY · National Public Health Organization (NPHO), Greece | 14 June 2026 |
About surveillance in Greece
Greece runs enhanced West Nile virus surveillance led by EODY (the National Public Health Organization) under a national Action Plan for West Nile virus. In 2025 Greece reported the second-most WNV cases in the EU/EEA after Italy, concentrated around Attica, with cases also in Thessaly, West Greece and northern Greece.
Frequently asked questions
What mosquito-borne diseases is Greece monitoring in 2026?
Mosticare tracks Greece surveillance for West Nile virus, each sourced to the responsible national authority or ECDC.
Which European country had the second-most West Nile virus cases in 2025?
Greece had the second-most human West Nile virus cases in the EU/EEA in 2025 — 96 locally-acquired cases (76 of them neuro-invasive) and 9 deaths — behind only Italy (779). Attica was the main hotspot. The figures are EODY/NPHO's final 2025 count, consistent with ECDC's cross-country report.
How many West Nile virus cases did Greece report in 2025?
Greece reported 96 West Nile virus cases and 9 deaths in 2025 (2025 transmission season), per EODY · National Public Health Organization (NPHO), Greece.
Sources
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About this data
Mosticare aggregates and re-publishes vector-borne disease surveillance from ECDC, EFSA, and national ministries of health. Mosticare is an aggregator, not a primary surveillance authority — every figure on this page cites the originating source and is independently verifiable. This is a partial aggregation; for the complete EU/EEA totals, ECDC is the primary source.
The data behind this page is published as a free, machine-readable feed under CC BY 4.0: /threat-map/feed.json (JSON Schema). See the live Europe threat map and the full data room.