- Measles 2025
- 14
- 67 in 2024
- Measles rank
- #20/ 51
- 1 = most cases nationally
- Pertussis 2025
- 832
- whooping cough
- Mumps 2025
- 21
- MMR-preventable
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The Return of the Preventable / State detail
Illinois reported 14 measles cases in 2025 - ranked #20 of 51 states, against a national total of 2,026.