The Erie County Department of Health is responsible for the control of West Nile Virus in Erie County. The Pennsylvania Department for Environmental Protection updates their website each week based on mosquito activity and the level of risk.
Erie County Department of Health performs West Nile Virus surveillenace through the weekly laboratory testing of mosquito population samples collected at specified locations throughout the County from May through September. The results are utilized to ensure early detection which determines the appropriate locations for treatment to mitigate or control potential disease transmission. Results from recent samples and analysis are displayed at this dashboard:
Erie County, PA West Nile Virus Dashboard
West Nile Virus
Mosquito bites can transmit the West Nile Virus, which can cause fever as well as fatigue and weakness that can last for weeks or months. It can also lead to encephalitis, a swelling of the brain, or meningitis, a swelling of the coverings surrounding the brain and spinal cord. Symptoms include headache, body aches, joint pains, vomiting, diarrhea, or rash.
For more information on West Nile Virus visit:
Prevent mosquito bites

- Wear long-sleeved shirts and long pants. Treat clothes and shoes with permethrin insecticide.
- Use skin repellents with DEET or Oil of Lemon Eucalyptus. Natural repellents may not work as effectively or may require additional applications. Check manufacturer’s instructions.
- Keep doors and windows shut or place screens on them.
- Throw out standinhttps://eriecountypa.gov/wp-content/uploads/2026/06/Picture1.jpgg water in containers like vases, buckets, rain barrels, etc. Cover trash cans and rain barrels.
More info on mosquito control