Overijssel
South Holland
Utrecht
North Holland
Gelderland
West Nile virus in Netherlands
In 2026, up to 23 September, 44 cases of West Nile virus, including 5 deaths, have been reported in the Netherlands. Cases have been reported from South Holland, Utrecht, North Holland, North Brabant, Gelderland and Overijssel provinces. Please see our Topics in Brief article for further details on West Nile virus.
West Nile virus in Netherlands
As of 10 September 2026, a total of 18 locally acquired West Nile virus cases, with three deaths, have now been confirmed in the Netherlands for 2026. These infections occurred in North Brabant, North Holland, South Holland, Utrecht, Overijssel and Gelderland provinces. Please see our Topics in Brief article for further details on West Nile virus.
South Holland
Utrecht
North Holland
West Nile virus in Netherlands
As of 2 September 2026, a total of nine locally acquired West Nile virus cases have now been confirmed in the Netherlands for 2026. These infections occurred in North Brabant, North Holland, South Holland and Utrecht provinces. Please see our Topics in Brief article for further details on West Nile virus.
West Nile virus in Netherlands
As of 17 August 2026, a locally acquired West Nile virus infection was confirmed in a blood donor in the Netherlands. Laboratory testing detected the virus in a donor in Utrecht with no recent travel abroad and who remains well. Locally acquired human West Nile virus infection was last reported in the Netherlands in 2020. Please see our Topics in Brief article for further details on West Nile virus.
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