New analysis of data from the Illinois Board of Education found less than half of Chicago Public Schools had herd immunity ...

A Sun-Times analysis of state data found the rate of vaccinations has dropped sharply from the rate in 2019, when 90% of ...

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

The U.S. has surpassed 1,000 measles cases for the first time in five years, according to new data from the CDC published Friday.

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

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

As of May 1, no cases of measles have been reported in Wisconsin this year. But some state health officials consider it only a matter of time.

CHICAGO (WLS) -- A sixth case of measles has been reported in Illinois for this year. Four of the cases were reported in ...

Two cases of measles have been reported in Cook County, according to the Chicago Department of Public Health and Cook County ...

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

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

New analysis found that less than half of Chicago Public Schools have herd immunity against the measles as of 2025. More than ...