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West Nile Virus Returns to Netherlands After 3-Year Absence
17 Aug
Summary
- West Nile virus infection detected in the Netherlands for the first time since 2020.
- The virus spreads to humans primarily through mosquito bites.
- The infected individual in the Netherlands is experiencing mild symptoms.

The West Nile virus has reappeared in the Netherlands, with the first infection since 2020 confirmed by public health institution RIVM. This virus, primarily transmitted through mosquito bites, can lead to severe illness in a small percentage of infected individuals.
The current case in the Netherlands involves a person experiencing only mild symptoms. Officials believe the infection most likely occurred locally, as the individual had not recently traveled abroad.
This development coincides with warnings from the World Health Organization about expanding mosquito populations and increased West Nile virus activity across Europe. Warmer temperatures are facilitating the spread of the virus in countries like Greece and Italy this summer.