Three fatalities linked to West Nile virus infections have been reported in the Netherlands in recent weeks, according to the country’s National Institute for Public Health and the Environment (RIVM). The cases come amid a broader rise in West Nile virus activity across Europe.

The West Nile virus is primarily transmitted through mosquito bites and can lead to severe neurological illness in a small proportion of those infected. The World Health Organization (WHO) estimates that approximately one in every 150 people exposed to the virus may develop serious symptoms, including encephalitis or meningitis.

Experts attribute the increasing spread of the virus in Europe to warmer temperatures, which extend the active season for mosquitoes and create favorable conditions for virus transmission. The WHO has highlighted that such climatic changes are contributing to the expansion of vector-borne diseases in the region.

Health authorities in the Netherlands are monitoring the situation closely and continuing efforts to inform the public about preventive measures, including the reduction of mosquito breeding sites and the use of insect repellents. There have been calls to enhance surveillance and preparedness as the West Nile virus poses an increasing public health concern amid changing environmental conditions.