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.

On Friday evening, the Allegheny County Health Department announced that West Nile Virus had been found in mosquito samples ...

It was first spotted in a dead crow. Health officials issue warning after dangerous virus is detected in new location — ...