The Allegheny County Health Department announced that additional mosquito samples have tested positive for West Nile Virus, prompting spraying in six Pittsburgh neighborhoods on Wednesday.
The affected neighborhoods include Beltzhoover, Knoxville, Mount Washington, Brighton Heights, Marshall–Shadeland and California–Kirkbride. The health department will use Zenivex E20, a low-risk insecticide, to treat these areas.
“Generally, the species of mosquitoes that carry West Nile Virus are active from dusk to dawn,” said Nicholas Baldauf, a vector control specialist at the Allegheny County Health Department…