Measles cases in the United States climbed to 939 in 29 states, the Centers for Disease Control and Prevention said Friday.

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

As measles cases are on the rise in the United States, Chicago has reported the city's first case of the year. The Chicago ...

Two measles cases have been confirmed in Cook County amid the latest 2025 outbreak, public health officials announced ...

The Illinois Department of Public Health (IDPH) is sounding the alarm on a potential measles exposure at Chicago O’Hare International Airport. Here's what you need to know.

The Illinois Department of Public Health is reporting four measles cases in the state of Illinois for the year 2025.

Chicago doctors are frustrated as measles cases spread into Cook County, saying "This is an effective vaccine." ...

People might have been exposed to the virus April 21-28 in Irving Park, at O’Hare Airport and in three southwest suburbs, ...

The Cook County cases follow the first case of measles this year in Illinois in an unvaccinated adult in Marion, reported ...

Doctors in the Chicago area are keeping a close eye on measles cases, checking to make sure more aren't reported, after the ...

North America’s three biggest measles outbreaks continue to balloon, with more than 2,500 known cases; three people have died ...

Another measles case has been identified in Illinois. It is the state’s fourth case to be reported so far this year. The Illinois Department of Public Health’s (IDPH) measles ...