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Dallas County has confirmed the first mosquito of the season to test positive for West Nile virus.

It was found in a Cedar Hill neighborhood.

No humans have tested positive so far, but with rain in the forecast, it's a good reminder to get rid of standing water.

Mosquito bites are the most common way the virus is transmitted to people. Fewer than one percent of those infected develop a serious and sometimes fatal neurologic illness, the Centers for Disease Control reports.

Dallas County health officials say you should reduce your risk of exposure to mosquitoes by following these guidelines:

  • Whenever outside, use insect repellants that contain DEET, picaridin or oil of lemon eucalyptus
  • Wear long, loose and light-colored clothing
  • Remove all areas of standing water in and around your home
  • Limit outdoor activities during dusk and dawn hours when mosquitoes are most active

The recommendation to use insect repellant all day long is new. Re-application may be necessary, especially during water activities, the health department advises.

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