René van den Berg of Ontario, Canada, was hospitalized for 11 days after contracting West Nile virus, a mosquito-borne ...

It was thought that Aedes aegypti could not survive in the Mountain West. But now, a population is thriving in Colorado.

On Oct. 29, a 3-year-old Quarter Horse mare in Weld County, Colorado, tested positive for West Nile virus (WNV). The unvaccinated mare developed clinical signs on Oct. 21, including ataxia and ...

The Aedes aegypti mosquito that can carry dengue was thought to be too reliant on a hot and wet climate to survive in the ...

An usually wet September and October has greened up Arizona's outdoors, but La Niña could erase some of the gains.

JEFFERSON COUNTY, Mo. – The Missouri Department of Health and Senior Services is warning Missourians to be cautious after a surge in West Nile virus cases. Twenty-two human cases of the virus have ...

County officials confirm West Nile virus was detected in mosquitoes trapped near Chapman Ranch, marking the first positive sample in Nueces County since 2024. Full list of Democrats who voted against ...

CORPUS CHRISTI, Texas — Nueces County officials have confirmed the detection of West Nile virus in a mosquito pool collected near Chapman Ranch, marking the first positive mosquito sample reported in ...

This is read by an automated voice. Please report any issues or inconsistencies here. The first recorded death from West Nile virus this year in L.A. County was confirmed Friday by the Los Angeles ...