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7/13/2020 - Mosquitoes Test Positive for West Nile

Mosquitoes Test Positive for West Nile Virus Near Southwest Williamson County Regional Park

 

Alert from Williamson County:

A sampling of mosquitoes taken at a trap near the Southwest Williamson County Regional Park tested positive for West Nile Virus. This is the second time this trap has had mosquitoes test positive for West Nile Virus in the past three weeks. The Williamson County and Cities Health District (WCCHD) set up two expanded trap sites near the park, and both of the expanded traps came up with negative test results at this time. No other samples were found to be positive from routine trapping this week as part of the WCCHD Integrated Vector Management program.

Williamson County will adjust hours for park visitors at the Southwest Williamson County Regional Park to prevent exposure to mosquitoes when they are most active. Starting July 28, the park will be open from 7:30 a.m. to 8 p.m.

Health officials strongly encourage everyone to remain vigilant about protecting themselves from mosquito bites and preventing mosquito breeding on their personal property. Please eliminate all standing water around your house or on your property. Mosquitoes cannot breed without standing water. Residents should treat ponds, rain barrels, or other stagnant water that can’t be drained with a larvicide. Please apply the treatment based on its labeled use. These products can be found at local home improvement stores.

Williamson County parks staff will continue mosquito control efforts with draining or treating standing water with larvicide.

There have been no reported human cases of West Nile Virus in Williamson County since 2017. The Texas Department of State Health Services reported the first human case of West Nile Virus this year on July 23.  The first case reported was in an adult resident of Tarrant County who later died. West Nile Virus should not be confused with other mosquito-borne viruses.  There has been no evidence of mosquitoes transmitting COVID-19.

What You Can Do

Mosquitoes can breed in very small amounts of standing or stagnant water.  Eliminating places where mosquitoes can breed and reducing the chances of mosquito bites are the most effective lines of defense against exposure to West Nile Virus.  The mosquito species that transmits West Nile Virus is most active at dawn and dusk, residents are advised to be most cautious at those times by following the 3Ds of mosquito safety:

  • Drain standing water in flower pots, pet dishes or clogged gutters so mosquitoes don’t have a place to breed and treat water that can’t be drained, 
  • Defend by using an EPA-approved insect repellent, and
  • Dress in long sleeves and pants when outdoors.

For more information, go to the WCCHD website at www.wcchd.org or visit the Texas Department of State Health Services West Nile website at www.txwestnile.org. For questions, email wcchd-info@wilco.org

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