Health officials announced on Monday the first West Nile virus-related death of the season in Maricopa County.

A bird infected with West Nile Virus was recently documented in San Ramon. The bird was Contra Costa County’s first to test ...

Monsoon brings an environment that allows mosquitos in Pima County to thrive and it’s not just people feeling the itch. Pets ...

This is the second time this summer that mosquitoes have tested positive for the virus in Allegheny County communities.