NewsEurope reports 1,765 locally acquired West Nile virus cases this season
ECDC’s 2 October update lists 202 affected areas in 16 countries through 30 September.
Event / data period: 2026-09-30
Published: · Updated:
IllustrationECDC’s week 40 report identified 202 areas affected by West Nile virus in 16 European countries through 30 September during the 2026 transmission season. It recorded 1,765 locally acquired human cases by that cutoff.
Italy reported the largest country total, 721 cases, followed by Greece with 420. ECDC said 16 areas were reported as affected for the first time this season during the week. Country counts and area counts are different units: reporting countries and areas with at least one locally acquired human case.
The ECDC overview uses human infections reported to EpiPulse during the current season and excludes animal surveillance. It is intended to support authorities’ decisions on deferral or testing of donors of substances of human origin, including blood components.
Data
West Nile virus seasonal surveillance
Locally acquired human cases and affected areas reported through 30 September.
- Locally acquired human cases
- 1,765 cases
- 2026 · Observed
- Affected areas
- 202 count
- 2026 · Observed
- Countries reporting cases
- 16 countries
- 2026 · Observed
Methodology
Season-to-date totals use EpiPulse human data only; animal surveillance is excluded.
Updated:
Subjects and places
Subject proposals
- healthSuggested
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