Anaplasmosis in Wisconsin

Anaplasmosis is an illness spread by ticks. It is the second most common illness spread by ticks in Wisconsin. Ticks that spread anaplasmosis-causing bacteria 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. Anaplasmosis is preventable and treatable.

General information on anaplasmosis including information on signs and symptoms, treatment, and resources.

Map and charts with Wisconsin anaplasmosis data.


Information for local health departments, health care providers, or those looking for information on reporting, surveillance, or diagnosis of anaplasmosis cases.

Tips to prevent tick bites.

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

Last Revised: January 14, 2020