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Getting outside is the best part of summer, but don’t let insects ruin your experience! The Washtenaw County Health Department shares some easy steps you can take to prevent mosquito and tick bites.


Mosquito bites are a common annoyance in Michigan, but certain mosquitos can also spread West Nile virus. The greatest risk of exposure to West Nile in Michigan is August – September. To avoid mosquito bites:

  • Wear long sleeves, pants, shoes, and socks.
  • Use a repellent with active ingredients approved by the Environmental Protection Agency (EPA). Find the right one here.
  • Get rid of standing water around your home and yard, since mosquitoes need water to lay eggs.



Lyme disease is spread by ticks, and infected ticks have been found in Washtenaw County. Transmission season for Lyme disease is usually May – August, with a peak in June. To avoid ticks:

  • Walk in the center of trails and wear long sleeves, pants, shoes, and socks.
  • Check your body and your pets for ticks after spending time in the woods. Removing a tick within 24 hours can prevent the risk of disease.
  • If you find a tick, try to identify what kind it is. Blacklegged (deer) ticks can spread Lyme disease, but common dog ticks do not. Send a picture to or click here if you need help identifying a tick.


View the chart below to see the different types of ticks:

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