A Fresno County resident has passed away after contracting the West Nile virus from a mosquito bite, marking Fresno County’s first WNV human death of 2025

The Fresno County Department of Public Health confirmed the death Tuesday.

So far, the FCDPH has reported five additional human cases of WNV, and the department expects more cases as mosquito season continues. The season last through warm temperatures, typically ending in mid-October.

Mosquitoes become infected with WNV after biting infected birds. Then, the mosquitos can bite and potentially spread the virus to humans and other animals

“Our heartfelt condolences go out to the family and friends of this individual. We need to stay vigilant as mosquitoes may continue to test positive for WNV in the County. The infected mosquitoes may

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