For the third time, a sampling of mosquitoes taken at a trap near the Southwest Williamson County Regional Park in Leander has tested positive for West Nile virus, according to an Aug. 24 new release.

Samplings taken by the Williamson County and Cities Health District near the park, located at 3005 CR 175, previously reported positive for the virus July 9 and July 16. In the past week, mosquito samples collected from routine trapping in Georgetown also have tested positive for the virus leading the city to conduct truck-mounted spraying in a portion of Georgetown.

In late July, Travis County identified a resident with a probable case of the virus.

“Health officials strongly encourage everyone to remain vigilant about protecting themselves from mosquito bites and preventing mosquito breeding on their personal property,” the release said.

Officials ask residents to also eliminate all standing water around your house or on your property, as mosquitoes cannot breed without standing water, it said.


Williamson County Parks Department staff will continue mosquito-control efforts with draining or treating standing water with larvicide, the release said.

West Nile virus should not be confused with other mosquito-borne viruses. There has been no evidence of mosquitoes transmitting COVID-19, it said.