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

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

Boulder County Public Health and Weld County both confirmed within two days that there have been the first positive tests of ...

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

Boulder County Public Health confirmed that, last week, mosquitoes trapped on the east side of Niwot tested positive for West Nile. No other testing sites returned positive results.

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

Mosquitoes in Boulder County have tested positive for West Nile Virus, Boulder County Public Health announced Tuesday. According to a BCPH release, the mosquitoes that tested positive were ...

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

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

The state’s West Nile virus season appears to be ahead of schedule this year, after two more Colorado counties detected the ...

West Nile virus has been found in Boulder County. Boulder County Public Health confirmed that, last week, mosquitoes trapped on the east side of Niwot tested positive for West Nile.