Most West Nile cases in Colorado happen between July and September, though mosquitoes can live until the first snow or hard ...

DENVER ( KDVR) — The first trace of the West Nile virus this season was found in Denver through a positive mosquito sample.

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Mosquitoes carrying the virus were first identified in Colorado in 2003. That year resulted in the most human cases of West ...

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The West Nile virus, a viral infection primarily spread through the bite of an infected mosquito, has been detected in a ...

This week, a sample of the mosquito population in Larimer County in Northern Colorado tested positive for West Nile virus.

Wet weather this spring — and two years ago — could lead to an increase in ticks in Colorado, though the Front Range will get ...

Health officials said the person infected with the virus developed a type of illness that affects the nervous system.

It's officially West Nile virus season in Larimer County, with the first mosquitoes of the season testing positive.

According to Larimer County officials, a sample of the local mosquito population has tested positive for West Nile virus. The ...

Most people who get infected with West Nile virus don't feel any symptoms, the health department says. But 1 in 5 develop flu-like symptoms: fever, headaches, body aches, fatigue, vomiting ...