Powassan Virus: Wisconsin Data
Powassan virus is a rare illness in Wisconsin.
The first case of Powassan virus in Wisconsin was identified in 2003.
In 2022, Wisconsin had eight cases of Powassan virus.
There have been 53 probable and confirmed cases of Powassan virus in Wisconsin from 2003 through 2022.
Powassan virus is preventable.
Learn more about Tick Bite Prevention.
The graphs below show statewide data for Powassan virus.
For national data, visit the CDC (Centers for Disease Control and Prevention) webpage on Powassan Virus Statistics and Maps.
Powassan virus data
Learn more about Powassan virus
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