Researchers found that the southern house mosquito, or "quinx," is moving north and interbreeding with the local northern ...

Solano County has confirmed its first human case of West Nile virus this year in Dixon.

The Texas Department of State Health Services reported a human case of West Nile virus was confirmed in Potter County, adding to the list of confirmed instances of virus activity in the Texas ...

A 3-year-old Quarter Horse gelding in Oklahoma recently tested positive for West Nile virus (WNV). The horse lives in Carter ...

While most human infections are asymptomatic or mild, Usutu virus can manifest with symptoms including fever, headaches, skin ...

On Nov. 4, a 5-year-old Appaloosa mare in Kiowa County, Oklahoma, tested positive for West Nile virus (WNV). The unvaccinated horse developed clinical signs on Oct. 20, including ataxia, loss of ...

The Pennsylvania Department of Health is concerned about an apparent increase in a virus linked to a rare form of paralysis ...

The number of mosquitoes infected with potentially deadly viruses has been increasing in Luzerne County, researchers have found. Staffers with Luzerne Conservation District’s Mosquito-Born Disease ...

Maryland health officials confirmed a human death from West Nile virus in Western Maryland in 2025. The virus is transmitted to humans by mosquitoes that have fed on infected birds. Most people ...

In a news release from the South Dakota Department of Health, there were 87 cases and four deaths in 31 counties. Seven counties had positive pools of mosquitoes that carried West Nile, as of October ...

West Nile Virus is the most common mosquito-borne illness in the continental U.S., spreading from infected birds to humans through mosquito bites. While most infected people show no symptoms, about ...

LOS ANGELES (KABC) -- The Los Angeles County Health Department confirmed the first local West Nile virus death of the year on Friday. The patient was a San Fernando Valley resident who was ...