Overview
- Positive mosquito samples were confirmed in zip codes 77041 and 77032 in the north and northwest of Harris County.
- No human West Nile virus cases have been confirmed in 2026 to date, and residents with fever or headache after outdoor exposure are advised to consult a doctor.
- Harris County Public Health expanded trap monitoring, breeding-site inspections, and epidemiological surveillance across the county.
- Officials reinforced the “Know the 3 Ts: Tip, Toss, Take Action” campaign, urging residents to remove standing water, clean gutters, use EPA-approved repellents, wear protective clothing, and maintain window and door screens.
- Recent history of 45 cases in 2024 and 10 in 2025 informs the county’s heightened readiness this year.