Anaplasmosis: Wisconsin Data

Anaplasmosis is the second most commonly reported illness spread by ticks in Wisconsin.

In 2018, Wisconsin had 366 probable and confirmed cases of anaplasmosis.

Anaplasmosis is preventable and treatable.

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

Map of Anaplasmosis cases per 100,000 residents 2018

Anaplasmosis data

Historical ehrlichiosis surveillance included human granulocytic ehrlichiosis (HGE) and human monocytic ehrlichiosis (HME). As of 2008, the surveillance case definition changed to classify the disease by two different bacterial infections, Anaplasma phagocytophilum and Ehrlichia species.

Anaplasmosis cases in Wisconsin

Graph of total Anaplasmosis cases 2009-2018

Anaplasmosis cases reported by month and age

Month of Illness Onset

Graph of Average Anaplasmosis Cases by Month 2014-2018

Age Group

Graph of Average Anaplasmosis cases by age group 2014-2018

Questions about illnesses spread by ticks? Contact us!
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Last Revised: January 14, 2020