The Allegheny County Health Department on Monday confirmed that additional mosquito samples have tested positive for West ...

After mosquito samples tested positive for West Nile Virus, the Allegheny County Health Department announced today that seven ...

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

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

Denver7 reached out to several communities across the Denver metro area to learn how cities are preventing the spread of West ...