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

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

With over 1,000 measles cases reported across the U.S., health officials are issuing a warning as you make your summer travel plans.

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

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

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, ...

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

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 ...

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

Measles is caused by a highly contagious virus ... We'll catch you up on the news you need to know with the Chicago Catch-Up newsletter. State health officials estimated about 1% of cases ...

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