By: KDKA-TV News Staff

PITTSBURGH (KDKA) — Recent samples of mosquitoes collected in Pittsburgh’s West End tested positive for West Nile virus.

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The Allegheny County Health Department will treat West End neighborhoods with a pesticide.

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A truck will drive through parts of the West End and spray the pesticide next Tuesday from 8 p.m. to 10 p.m.

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The health department says the pesticide is not harmful to people or pets.