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 ...

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

A confirmed case of measles found in the Chicago O'Hare airport has put Tippecanoe County health officials on alert ahead of ...

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

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

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

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

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

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

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.

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