First West Nile virus-positive mosquito pool found in Philadelphia near Pennypack Park. Health officials anticipate more cases, but no human infections reported ...

BOSTON — The Massachusetts Department of Public Health (DPH) on Tuesday announced the first confirmed case of West Nile virus in an animal this year. A goat was exposed to ...

Kern County confirms first human case of West Nile virus this year. Health officials urge precautions against mosquito bites ...

West Nile virus has been detected in mosquitoes in New York City, but no human cases have been reported in the city so far in ...