Babesiosis: Wisconsin Data
The number of people getting sick from babesiosis has been on the rise since 2011.
In 2022, Wisconsin had 91 confirmed and probable cases of babesiosis.
There was a median of 64 cases per year reported from 2018 through 2022.
Babesiosis is preventable and treatable.
Learn more about Tick Bite Prevention.
Read about treatment from the CDC (Centers for Disease Control and Prevention).
The graphs below show statewide data for babesiosis. For national data, visit the CDC webpage on Babesiosis Data and Statistics.
Babesiosis data
Month of illness onset
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