City of Bryan GIS Assists County Health Department

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In cooperation with the Brazos County Health Department, the City of Bryan’s Geographic Information System (GIS) began to display the approximate location of birds, mosquitoes, and the general areas of human cases that have tested positive for West Nile Virus. The City of Bryan GIS added the positive test locations after receiving a request from the Brazos County Health Department.

Preventing mosquito bites is the best way to avoid getting West Nile virus. Remember the “Four Ds;” DEET, Dress, Dusk and Dawn, and Drain:

1. Apply insect repellent that contains DEET (N, N-diethyl-m-toluamide). Be sure to read label instructions. Spray clothing with repellent as well as exposed skin.

2. Dress in long sleeves and long pants when you are outside.

3. Stay indoors at dusk and dawn, times infected mosquitoes are most active.

4. Drain standing water in your backyard and neighborhood; old tires, flowerpots and clogged rain gutters are mosquito-breeding sites.

The West Nile Positive locations can be viewed on the City of Bryan’s GIS website at