Health officials in DuPage County are warning residents of a batch of mosquitoes that tested positive for West Nile virus this month. Ac...

Los Angeles County health officials on Friday confirmed the first local death of the year due to West Nile virus.According to the county De...

Pasadena Public Health has reported the first case of West Nile virus in a Pasadena resident since 2022.The case was confirmed on Thursday,...

A Placer County man's death has been confirmed as the fifth in California in 2025 to be linked to West Nile virus, public health officials s...

SANTA BARBARA COUNTY, Calif. (KEYT) - A horse in the Santa Ynez Valley tested positive for mosquito-borne West Nile virus in late August. It...

The risk of West Nile virus is now high in 47 communities across Suffolk, Middlesex, Essex, and Worcester counties. Mass. health official...

ONTARIO COUNTY, N.Y. — The Ontario County Public Health Department has confirmed there is one case of the West Nile virus in Ontario County....

Public health officials on Wednesday, Sept. 17, confirmed the first human cases of West Nile virus in Los Angeles County this year.Accordin...

SENECA COUNTY, N.Y. – A case of West Nile virus has been confirmed in Seneca County, officials said. The virus was found in a horse, marking...

NEW YORK (AP) — West Nile virus infections are intense so far this year, with case counts running 40% higher than normal, health officials s...

An Aedes aegypti mosquito. (Photo by James Gathany/U.S. Centers for Disease Control and Prevention)Mosquitoes recently collected in the...

SAN JOSE — Mosquitos carrying West Nile virus have been detected in the city for the first time this year, officials said.The Santa Clara C...

DENVER (KDVR) -- An adult in Fort Collins has died of West Nile virus, the first such death of a Larimer County resident this year, the coun...

The Contra Costa Mosquito and Vector Control District announced on Friday that they found a second bird that tested positive for West Nile v...

(KRON) -- A crow from Walnut Creek has tested positive for West Nile virus (WNV) in Contra Costa County, confirmed the Contra Costa Mosquito...