(WHTM) — 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, ...

Polk County health officials are warning the public to be cautious of mosquito bites, as Iowa is experiencing a high level of West Nile virus activity in mosquitoes. Statewide mosquito surveillance by ...

Norovirus, commonly knowns as the stomach bug, has taken the U.S. by storm. Pennsylvania alone has seen three times as many ...