It was not immediately clear where in Illinois the fourth case was reported, or what condition the patient is in.

A fourth case of measles has been reported in Illinois for this year, the state tracking dashboard showed. The exact location was not yet known.

Two cases of measles have been confirmed in Cook County, Illinois, and the CDC is warning that the US risks losing its ...

The Illinois Department of Public Health (IDPH) is sounding the alarm on a potential measles exposure at Chicago O’Hare ...

A new case of measles has been confirmed in Illinois, the state's fourth case so far this year. Maryland's Six Flags America ...

The first confirmed measles case of 2025 was reported in Illinois. Find out more about symptoms, treatment and prevention.

About a week after state health officials confirmed the first measles case in Illinois, they have identified two more cases — ...

Illinois’ first measles case of the year was in an unvaccinated adult in downstate Marion, according to the state health ...

The Chicago Department of Public Health and Cook County Department of Public Health on Wednesday confirmed two measles cases ...

Another measles case has been identified in Illinois, the state’s fourth case to be reported so far this year. The Illinois ...

A fourth case of measles has been reported in Illinois for this year, the state tracking dashboard showed. The exact location ...

How many measles cases in Illinois? So far, the health department has only reported one case in Illinois in 2025. The department said in a press release, "The risk of measles transmission for the ...