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Netherlands reports first West Nile virus infection in 6 years

By Thomson Reuters Aug 17, 2026 | 4:09 AM

AMSTERDAM, Aug 17 (Reuters) – A West Nile virus infection has been detected ​in the Netherlands for ‌the first time since 2020, Dutch public health institution RIVM said on Monday.

The virus, ‌which ​mostly spreads ⁠to people through ⁠mosquito bites, can cause severe, life-threatening illness in about one in 150 people ​who are infected, according to the World ⁠Health Organization.

The detection ⁠comes as the ​WHO has warned that warmer ​temperatures are giving mosquitoes more ‌time and territory to spread the virus across Europe, with cases climbing ⁠in Greece and Italy this summer.

The infected person in the Netherlands ⁠was ‌only showing mild ⁠symptoms, the RIVM ​said.

The ‌infection most likely occurred ​in ⁠the Netherlands, as the person had not been abroad recently, it added.

(Reporting by Bart Meijer; Editing by ​Alex Richardson)