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.

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.

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 ...

Measles cases in the U.S. have surpassed 900 as outbreaks continue to spread across the county, according to new CDC data ...

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

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

Health authorities have alerted the public about potential measles exposure at Chicago O'Hare Airport following two confirmed ...

One-fifth of states have active measles outbreaks as confirmed cases nationwide keep ticking up, according to the U.S.

Cook County reports first measles cases of 2025, with two cases in Chicago and suburbs. Vaccination is the best way to ...

So far this year, the CDC has confirmed nearly 900 measles cases in the country. As the infection continues spreading from ...