These are the first mosquitoes to test positive for the virus within the county since 2023, according to the county.

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

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

Two mosquito samples collected in Hyde Park and West Roxbury tested positive for West Nile Virus— the first positive samples ...

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

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 ...

Mosquito samples collected in six areas in Allegheny County have tested positive for West Nile Virus, according to the county ...

Allegheny County Health Department officials announced mosquitoes collected in certain parts of the county earlier this month ...

CACHE COUNTY, Utah ( ABC4) — Mosquitoes infected with West Nile Virus have been found in Cache County.

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