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Lyme Disease: General Information

In Wisconsin, Lyme disease is the most reported vectorborne illness. Lyme disease may cause signs and symptoms affecting the skin, nervous system, heart, or joints of an infected person. 

Fact Sheet  

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WI Lyme Disease Case Definition 

The image below identifies two of the ticks commonly found in WI, the blacklegged (or deer) tick and the dog (or wood) tick. In WI, Lyme disease is acquired by a tick bite from an infected blacklegged (or deer) tick.  See the MN Department of Health website for more information on blacklegged ticks.  

CDC Image - Scale showing tick sizes


Lyme Disease Home  |  General Information  |  Health Professional Resources  |  Data and Statistics  |  Additional Resources  |  Other Tickborne Diseases


Last Revised: August 17, 2010