Lyme Disease in Wisconsin


Within the United States, Lyme disease mostly occurs in the Northeast and Upper Midwest. In Wisconsin, it is the most common illness spread by ticks.

The ticks that spread Lyme disease can be found in every county in Wisconsin.

Not all tick bites will make you sick, but it is still important to take steps to protect yourself and your family while enjoying time outdoors.

Lyme disease is preventable and treatable.



More general information about Lyme disease, including information on signs and symptoms, treatment, and resources.

Maps and charts with Lyme disease data.


For local health departments, health care providers, or those looking for information on reporting or surveillance of Lyme disease.

Tips on ways to prevent Lyme disease and other illnesses spread by ticks.


Questions about illnesses spread by ticks? Contact us!
Phone: 608-267-9003 | Fax: 608-261-4976

Last Revised: November 18, 2021