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

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

Older adults and immunocompromised people can be at higher risk for developing serious illness or death, the Oregon Health Authority said.

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