For some people exposed to measles in Michigan, public announcements don't come quickly enough to get post-exposure treatment ...

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

With one-fifth of states seeing active measles outbreaks, the U.S. is nearing 900 cases, according to figures posted Friday ...

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 ...

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