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 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 ...

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.

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

Most of the cases have been concentrated in West Texas, where a months-long outbreak has spread to nearby states and even neighboring Mexico. No cases of measles have been reported in ...

Cases of the highly infectious disease measles are popping up in cities and states across the country, including in Illinois, ...

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

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 ...