TARRANT COUNTY (CBSDFW.COM) – After announcing nearly two weeks ago that the first 2013 human case of West Nile Virus was in Tarrant County, today officials with Tarrant County Public Health announced the county’s first positive mosquito pool sample.

Health officials say the sample was collected in the city of Grapevine.

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So far this season, there have been nearly 1,500 mosquito samples collected in Tarrant County.

Minutes after Tarrant County announced the positive mosquito pool, the City of Grapevine announced that ground spraying would be done in the infected area late Thursday night, into the early morning of June 28.

The area being sprayed has a radius of one half-mile and is located in the bordering area of West Dallas Road, Wall Street, Berkley Drive, West State Highway 114 and Dooley Street.

During the spraying, residents living in or traveling though the area are advised to stay indoors, close all windows and outside doors, brings pets and pet dishes in for the night. Anyone traveling, who encounters a spray truck should remain in the vehicle, with the windows up and the air conditioner on, until the trucks pass and the spray is no longer visible.

North Texas health officials recommend that everyone adhere to the five D’s when it comes to controlling the presence of mosquitoes.

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DRAIN—all areas of standing water including changing water in wading pools, birdbaths, and cleaning out gutters;
DEET—Use bug spray and protect clothing with repellents containing permethrin or DEET;
DRESS—Dress in light- colored clothing with long sleeves and wear long pants;
DUSK/DAWN—Limit outdoor exposure at dusk and dawn;
DOORS—Keep door and window screens in good repair

Residents in Grapevine who have standing water that cannot be drained are encouraged to stop by City Hall or the Municipal Service Center and pick up a larvicide brick, — the item also commonly referred to as a mosquito dunk. The dunks are provided free of charge.

Click here for more information on mosquito control in the City of Grapevine.

During the 2012 season Tarrant County reported 280 human cases of West Nile, including 11 deaths.

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