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

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

Weld County had 15 reported cases of human West Nile virus, according to the website. The year before reached 52 cases.

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

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

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

In 2024, Weld County had 15 reported cases of human West Nile virus, according to the website. The year before reached 52 cases.

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

Central Texas' first human West Nile virus case of 2025 reported in Williamson County. Health officials expect more cases ...