Efforts to battle mosquitoes carrying West Nile virus in Pennsylvania continue this week as the Bucks County Department of ...

Mosquitos with West Nile Virus have spread to more than half the counties in Pennsylvania, the state’s Department of ...

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West Nile virus was detected in Delco. The Pennsylvania Department of Environmental Protection confirmed the presence of the ...

City health officials instructed Philadelphia medical providers to check patients for West Nile virus and other ...

The disease causes serious illnesses in about 1 in 150 infected people, and can prove fatal. No human cases have been ...

Birds, especially crows, are known to get sick and die from the infection, which is a useful way to see if it is in a community.

More mosquitoes in Allegheny County have tested positive for West Nile Virus, the health department announced Monday.

ALLEGHENY COUNTY, Pa. — Allegheny County will treat seven neighborhoods after more mosquitoes tested positive for West Nile ...

The West Nile virus has spread into Butler County for the first time this year. According to a news release from the Mercer ...

Authorities in Adams County will spray mosquitoes carrying West Nile virus in residential and recreational areas on Wednesday.