Mosquito lure in Cedar Park examined optimistic for West Nile Virus


According to official information, a mosquito trap sample in Cedar Park tested positive for the West Nile virus. The positive test was indicated in laboratory results obtained on November 24th from the Texas Department of Health’s laboratory in Austin.

The positive sample was obtained on November 19 from a trap site near Sun Chase Boulevard and Cypress Creek Road. This is the first positive test result from this location this year. On the final day on November 4th, a positive sample was taken from the area near the HEB center.

Central Texas has mosquitos year round, but the population is largest and most active from May to November. During this time, the Williamson County and Cities Health District (WCCHD) monitors the mosquito population and tests for mosquito-borne viruses.


This test is part of WCCHD’s Integrated Vector Management program. In 2020, there were 17 mosquito trap samples found positive for West Nile Virus in other parts of Williamson County – the highest number recorded since the program began in 2012. Three human cases of West Nile virus were reported in Williamson county this year.

Symptoms of infection can include fever, headache and body aches, a rash on the trunk of the body, and swollen lymph nodes. People aged 50 and over and / or with compromised immune systems are at greater risk of severe symptoms, including stiffness, disorientation, coma, tremors, loss of vision, paralysis and, in rare cases, death.


The main way to prevent West Nile virus is to reduce the number of mosquitos that people work and play in. Health officials strongly encourage everyone to remain vigilant to protect themselves from mosquito bites and prevent mosquito growth on their personal property.

Mosquitoes breed in standing water and only need a teaspoon. By draining any standing water sources in and around your property, you will reduce the number of spots where mosquitoes can lay and breed their eggs.

RELATED: Williamson County Reports First Human Case from West Nile in 2020

As part of its Fight the Bite campaign, the Health District recommends the 3 Ds of mosquito protection:

  • Drain standing water in flower pots, animal dishes, or clogged gutters so mosquitoes don’t have a place to grow and treat water that can’t be drained.
  • Defend with an EPA approved insect repellent
  • When outdoors, wear long sleeves and pants.

For more information, visit the WCCHD website or the Texas Department of Health’s West Nile website.

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