As the virus takes hold in other U.S. communities with low vaccination rates, health experts fear that the spread could ...

One case was detected in a Chicago resident who recently traveled through O'Hare Airport. The other case was reported in a ...

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

The United States is experiencing a significant measles outbreak with nearly 900 cases, primarily affecting unvaccinated communities in Texas. Measles, a highly contagious viral disease preventable ...

Two measles cases have been confirmed in Cook County. Here’s where exposure may have happened—and what to do next.