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(July 30, 2012) The City of Frisco will spray for mosquitoes beginning at midnight, Thursday, August 2.  Spraying will continue through 6 a.m. Friday morning, August 3. The general area to be sprayed is bordered by Main Street, Rolater Rd, Shepherds Glen Park and its adjoining trails, and Kings Ridge Rd.

The city’s decision to spray follows confirmation received July 27 from Collin County Health Care Services that a Frisco resident tested positive for West Nile Virus (WNV).  To date, the resident’s symptoms are limited to fever.  The confirmed case triggered spraying, as outlined in the City of Frisco’s WNV response plan.  It is not known whether the resident was in Frisco -- or outside city limits when the mosquito bite occurred. The area being sprayed encompasses the infected resident’s home. 

A private, licensed contractor will drive the ‘fogger truck’ through the impacted area.  Typically, ‘spraying’ requires four to seven hours for effective application.  The truck will emit a 300 foot swath of spray from the back of the vehicle.  The City of Frisco recommends you stay indoors during spraying, bring pets indoors and refresh your pets’ outdoor water dishes the next morning. 

If the ‘fogger truck’ encounters pets or people, the driver will turn off the ‘fogger’ and go around the individuals or pets. The spray produces a very fine mist.  Experts report no negative impact to stationary objects.  Pool water, if properly filtrated, will not be affected. 

“The West Nile Virus’ impact on North Texas isn’t going away,” said Julie Stallcup, Environmental Health Supervisor, Development Services Department.  “That’s why we need everyone in Frisco to do their part to minimize their risks for becoming infected with the virus.   We can’t stress enough the importance of following ‘The Four D’s.’”

The City of Frisco supports precautionary steps promoted by the Texas Department of State Health Services – and commonly referred to as “The Four D’s”:


-        DRAIN all standing water;

-        DRESS in light-colored, long sleeve clothing when outdoors;

-        DEET…Use mosquito repellants that contain Deet;  

-        DUSK OR DAWN…Avoid outdoor activities during these hours when mosquitoes are most active. 


City of Frisco, Texas
George A. Purefoy Municipal Center

6101 Frisco Square Blvd
Frisco, Texas 75034
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