On Friday evening, the Allegheny County Health Department announced that West Nile Virus had been found in mosquito samples ...

Shasta County Mosquito and Vector Control found 2025's first mosquitoes carrying West Nile Virus in the county. Here's how to ...

Mosquitoes collected by the Allegheny County Health Department tested positive for West Nile virus in six areas Tuesday.

The mosquitoes infected with the virus were discovered in Nesconset on July 1, Suffolk County health officials said ...

Two mosquito test samples taken from Hyde Park and West Roxbury have tested positive for West Nile Virus, the Boston Public ...

Boulder County Public Health confirmed that, last week, mosquitoes trapped on the east side of Niwot tested positive for West ...

Mosquitoes in two areas of Weld County have tested positive for West Nile virus, though no human cases have yet been reported ...

Mosquitoes carrying West Nile virus have been detected in Anoka and Carver counties, but officials say people shouldn’t be ...

The Utah State Public Health Laboratory has confirmed that sample from Cache County have tested positive for West Nile virus.

Oregon has no reports so far of people contracting the virus. But it's still wise to cover up and prevent bites, health officials say.

Older adults and immunocompromised people can be at higher risk for developing serious illness or death, the Oregon Health Authority said.

The Oregon Health Authority says mosquitoes carrying West Nile virus have been identified in the state. Governor Tina Kotek ...