Anita Bharadwaja, Vector Epidemiologist for the state’s Department of Health, confirms the first West Nile virus-infected ...

Mosquitoes in San Diego's Rolando area tested positive for West Nile virus, prompting county health advisories.

Most Missouri counties aren't testing mosquitoes for West Nile, state officials said, which makes experts worry.

The West Nile virus continues to affect people across Louisiana, and this year’s first confirmed human case hits close to home.

Local environmental health officials collected mosquitoes in the Rolando neighborhood that tested positive for the disease, the County of San Diego said Friday. Although there have been no human cases ...

Mosquitoes collected by county employees in the Rolando neighborhoods of San Diego have tested positive for West Nile virus, ...

This marks the first time mosquitoes have tested positive for West Nile in the county since 2023 though dead birds have been ...

Mosquitoes in Chicago tested positive for the virus in June, and so far, the virus has been found in 19 Illinois counties.

The Mosquito Abatement District discovered West Nile-positive mosquitoes in an Evanston trap Thursday, officials announced.