Mosquitos with West Nile Virus have spread to more than half the counties in Pennsylvania, the state’s Department of Environmental Protection said. The virus spreads through mosquito bites, primarily ...

Mosquitoes in three additional municipalities have tested positive for West Nile Virus. According to Centre County officials, ...

Experts explain the warning signs of the illness, and offer advice to protect yourself from mosquitoes and mosquito-borne illnesses.

To prevent the spread of West Nile virus, the Philadelphia Department of Health is spraying parts of Germantown with a ...

No human cases of West Nile virus have been reported in Pennsylvania in 2025, but it has been detected in mosquitoes in several counties, with York County having the most positive detections.

There are 20 positive mosquito findings so far this season in Bucks County and six in Montgomery County, according to the ...

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

While West Nile remains the greatest mosquito-borne threat in Pennsylvania, state officials are monitoring another virus that ...

The West Nile virus has been detected in Philadelphia. Casinos saw a record year, revenue-wise. The Keystone State is among America’s “top tick-infested.” Lastly, a UFO festival explores a strange ...

West Nile Virus has been present in Pennsylvania since the early 2000s. Before that, it only existed in Africa. It maintains itself by cycling between birds and mosquitos through summer and fall.