Health Dept: Additional Mosquito Samples Test Positive West Nile Virus
Published on July 21, 2025
Allegheny County Health Department today announced additional mosquito samples have tested positive for West Nile Virus. Accordingly, the health department will treat areas for mosquitoes in the communities of Hazelwood, South Side Slopes, Arlington, Mt. Oliver, Carrick, Knoxville, and Beltzhoover with a pesticide called Zenivex E20.