Health officials in DuPage County have confirmed the county’s first human case of West Nile Virus this year, the third ...

Health officials in Lake County, Illinois, have confirmed the county’s first human case of West Nile Virus (WNV) this year.

In the United States, there have been 45 human cases of West Nile virus spread across 15 states this year. While putting his ...

The Ada County Mosquito Abatement District announced the discovery after mosquito samples tested positive for the virus in ...

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

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

Oregon mosquitoes carry West Nile virus every year, data shows. Last year, a total of 21 mosquito pools tested positive in five Oregon counties, mostly in eastern and southern Oregon.