News Flash


Posted on: August 17, 2017

Two Mosquito Pools Test Positive for West Nile virus; Frisco to Spray Saturday, Sunday Nights

(August 17, 2017) The City of Frisco will spray for mosquitoes after receiving confirmation two mosquito pools tested ‘positive’ for West Nile virus (WNV). 

Beginning Saturday, August 19, a third party contractor will use a utility task vehicle (UTV) to target the greenbelt areas in the Starwood neighborhood (see attached map).

The city contractor will also drive a designated area between Warren Parkway and Town and Country Boulevard, east of Legacy Drive, fogging for mosquitoes (see attached map).

In both locations, treatment will begin at 9 p.m. Saturday and continue through 6 a.m. Sunday, August 20.  Spraying resumes Sunday night at 9 p.m. and continues through 6 a.m. Monday, August 21.

These ‘positive’ pool confirmations bring the total to eleven in Frisco this year. Collin County health officials confirmed the city’s first human WNV case this season earlier this month.

The City of Frisco supports four precautionary habits promoted by the Texas Department of State Health Services.

  • Use approved insect repellents: Use repellent every time you go outside. Approved repellents contain DEET, picaridin or oil of lemon eucalyptus. Follow label instructions.
  • Drain standing water: Drain water that collects in bird baths, French drains, clogged gutters, saucers under potted plants and ‘splash blocks’ (at end of gutter down spout). The mosquitoes that carry WNV breed in stagnant water.
  • Wear long sleeves, pants at dawn and dusk (when mosquitoes are most active).
  • Use air conditioning: Make sure doors and windows are screened – and those screens are intact.

In accordance with its plan, Frisco began testing for mosquitoes May 1.

For more information on the city’s Mosquito Surveillance and Response Plan, visit or contact the City of Frisco’s Health & Food Safety Division at 972-292-5304.

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