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West Nile Virus Infection Causes One Death in the Netherlands
RIVM said the virus has now been found in three locally acquired infections, while doctors were told to watch for West Nile fever symptoms.
On Wednesday, the public health institute RIVM announced a person died in a Dutch hospital after contracting West Nile virus in the Netherlands.
The virus is now circulating in local mosquito populations across Utrecht, Noord-Brabant, and Zuid-Holland, though RIVM maintains infection risk in the Netherlands remains very low.
Most infections cause no symptoms; around 80% have none, roughly 19% develop flu-like illness, and about 1% face serious neurological problems. The virus does not transmit between people.
This death is one of three locally contracted infections RIVM recorded in 2026, and officials noted it is unrelated to the infection identified last week in a Utrecht blood donor.
The World Health Organization reported that warmer temperatures allow mosquitoes to expand territory across Europe, while RIVM maintains that local infection risk remains very low.
This week, the first patient died in the Netherlands after being infected with the West Nile virus. The virus appears to have established itself here permanently, and...
The virus, which is transmitted to humans mainly through mosquito bites, can cause acute and life-threatening illness in about one in 150 people infected, according to the World Health Organization.