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West Nile Virus Detected: Spraying to Begin July 24

7/22/2025

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Summary

Story summary

Mosquito samples in Allegheny County have tested positive for West Nile Virus, prompting the Health Department to take action by spraying affected neighborhoods on July 24. The pesticide Zenivex E20, deemed safe for humans and pets, will be deployed. Residents are urged to eliminate stagnant water and use insect repellent, as many infected individuals remain asymptomatic.

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Story summary

Mosquito samples in Allegheny County have tested positive for West Nile Virus, prompting the Health Department to take action by spraying affected neighborhoods on July 24. The pesticide Zenivex E20, deemed safe for humans and pets, will be deployed. Residents are urged to eliminate stagnant water and use insect repellent, as many infected individuals remain asymptomatic.