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Measles Case Counts
Data Last Updated: 5/16/2025
Data is updated on weekdays, Monday-Friday. Data is not updated on weekends or holidays.
Number of Cases per Year
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| Year | Number of Cases |
|---|
Measles Cases in Illinois (1917-2025)
Measles Cases in Illinois (1991-2025)
Measles Cases in Illinois (1917-2025)
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| Year | Cases | Event |
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