Mosquito samples collected in six areas in Allegheny County have tested positive for West Nile Virus, according to the county ...

Mosquitoes carrying the West Nile virus have been identified in Oregon for the first time this year, according to the Oregon Health Authority.

By Patrick Damp Click here for updates on this story Allegheny County (KDKA) -- On Friday evening, the Allegheny County Health ...

West Nile, a sometimes-severe virus transmitted through bites from infected mosquitoes, is on the rise across the country.

The resident died from pneumonic plague, the first such death in Coconino County, Ariz., since 2007, the county said.

An Arizona resident has died from pneumonic plague, a rare but highly dangerous lung infection, Coconino County health ...

Gov. Greg Abbott said Sunday he’s likely to instruct the Texas Legislature to investigate early warning systems and other ...