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Measles cases are on the rise globally and here in Illinois the number is increasing as well. Vaccines are 97% effective in preventing this highly contagious disease.  To learn more about this infection and get information on vaccination, go to  Learn how to identify measles and the safe and effective vaccine that can prevent this potentially life-threatening infection for adults and children. 

Reported Tickborne Cases 2012-2022

Year Anaplasmosis Babesiosis Ehrlichiosis Lyme Disease Spotted Fever Rickettsioses

Data Last Updated: 10/03/2023

Data Source: Illinois National Electronic Disease Surveillance System (I-NEDDS)