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

Symptoms of illness may appear three days to two weeks after an infection, Weld County said last week. Most people show no ...

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

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

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

Weld County announced on July 7 that two out of three Weld County mosquito trap zones have tested positive for West Nile ...

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

Mosquitoes in Weld County have tested positive for West Nile Virus. Health officials urge residents to follow prevention steps.