News Flash


Posted on: June 18, 2021

'Wear, Apply & Remove' as Two Mosquito Pools Test Positive for WNV; City to Spray June 19 & 20

(June 18, 2021) Two mosquito pools in Frisco tested ’positive’ this week for West Nile Virus (WNV). In response, the city will ground spray in an area west and south of Northwest Community Park (see map PDF). The other area covers parts of the Dominion at Panther Creek and Panther Creek Estates neighborhoods. (see map PDF).  Remember to ‘Wear, Apply and Remove’ as a precaution against mosquito bites.  

A third-party contractor will apply treatment at 9 p.m. Saturday, June 19, and continue through 5 a.m. Sunday, June 20.  Spraying resumes Sunday night at 9 p.m. and will finish at 5 a.m. on Monday, June 21. 

"We urge residents to be vigilant about following the ‘wear, apply and remove’ guidelines," said Julie Fernandez, Environmental Health Supervisor.  “Following these three steps is the best way to protect yourself and your family against mosquito bites that can cause West Nile Virus."

The precautionary steps are promoted by the Texas Department of State Health Services (DSHS) and outlined below: 

  • WEAR: Wear long sleeves, pants outside at dawn and dusk when mosquitoes are most active.

  • APPLY: Use insect repellants every time you go outside. Approved repellents contain DEET, picaridin or oil of lemon eucalyptus.
  • REMOVE:  Drain standing 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 can breed in stagnant water.

In accordance with its Mosquito Surveillance and Response Plan, Frisco began testing for mosquitoes May 1. No human cases of WNV are confirmed in Frisco this year.

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

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