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The first case of West Nile Virus in Waukesha County this year has been confirmed in a crow found in the city of Delafield.

WNV can spread to humans through the bite of an infected mosquito. Most people (80 percent) who are infected with WNV do not get sick. Those who become ill usually experience mild symptoms such as fever, headache or rash. Fewer than 1 percent of people get seriously ill. Learn more about WNV at bit.ly/WiWNV.

The best way to avoid WNV is to reduce exposure to and eliminate breeding grounds for mosquitoes. Simple steps to protect themselves include:

  • Limit time spent outside at dawn and dusk, when mosquitoes are most active.
  • Apply insect repellent to clothing as well as exposed skin.
  • Make sure window and door screens are in good repair to prevent mosquito entry.
  • Properly dispose of items around your property that hold water.
  • Clean roof gutters and downspouts for proper drainage.
  • Change the water in birdbaths and pet dishes at least every three days.
  • Clean and chlorinate pools, outdoor saunas, and hot tubs; drain water from pool covers.
  • Trim tall grass, weeds, and vines. Mosquitoes rest in these areas in hot daylight hours.
  • Landscape to prevent water from pooling in low-lying areas.

 

The Waukesha County Environmental Health Division, in cooperation with the Wisconsin Division of Public Health, will continue WNV surveillance until the end of the mosquito season. Now that a positive result has been identified in Waukesha County, testing will be discontinued. Report sick or dead crows, blue jays, or ravens to the Dead Bird Reporting Hotline at 800-433-1610.

 

 

 

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