September 17, 2025
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Cook County Confirms Measles Case
Public health officials encourage all residents to be up to date on MMR Vaccines
Cook County Department of Public Health (CCDPH) has confirmed the second suburban Cook County measles case this year. The case was identified in a 4-year-old child, a suburban Cook County resident who is not vaccinated. Public health officials believe the case was acquired during international travel. CCDPH is working to identify and notify people who may have been exposed, in collaboration with Illinois Department of Public Health and Chicago Department of Public Health. The following location is a point of public exposure: