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 2023, Wisconsin had two reported cases of Powassan virus.

There have been 55 probable and confirmed cases of Powassan virus in Wisconsin from 2003 through 2023.

Powassan virus is preventable.

Learn more about Tick Bite Prevention.

The map and graphs on this page 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.