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 2018, Wisconsin had 3 cases of Powassan virus. There have been 31 probable and confirmed cases of Powassan virus in Wisconsin from 2003 through 2018.

Powassan virus is preventable.

Below are the statewide data for Powassan virus. For information on national data, visit the Centers for Disease Control and Prevention (CDC) Statistics and Maps page for Powassan virus.

Map of total Powassan virus cases in Wisconsin 2003-2018

Powassan virus data

Powassan virus cases in Wisconsin

Graph of total Powassan virus cases 2003-2018

Cases reported by month and age

Month of illness onset

Graph of Powassan virus cases by month 2003-2018

Age group

Graph of Powassan virus cases by age group 2003-2018

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Last Revised: January 14, 2020