Anaplasmosis: Wisconsin Data
Anaplasmosis is the second most common illness spread by ticks reported in Wisconsin.
From 2016 through 2020, Wisconsin had an average of 472 probable and confirmed cases of anaplasmosis. In 2020, a total of 335 probable and confirmed cases of anaplasmosis were reported.
In 2021, a total of 773 probable and confirmed cases of anaplasmosis were reported.
Anaplasmosis is preventable and treatable. Learn more about Tick Bite Prevention.
Read about Treatment and Signs and Symptoms from the CDC (Centers for Disease Control and Prevention).
The graphs below show statewide data for anaplasmosis. For national data, visit the CDC webpage on Anaplasmosis Epidemiology and Statistics.
Anaplasmosis data
In the past, ehrlichiosis surveillance included human granulocytic ehrlichiosis and human monocytic ehrlichiosis. As of 2008, the surveillance case definition changed to classify the disease by two different bacterial infections: Anaplasma phagocytophilum and Ehrlichia species.
Contact us
Questions about illnesses spread by ticks? We’re here to help.
Bureau of Communicable Diseases
Phone: 608-267-9003
Fax: 608-261-4976