A measles outbreak in the U.S. is continuing to grow as public health officials in Chicago have confirmed two new cases, ...

A federal health agency says the U.S. has 884 confirmed measles cases this year. That's triple the amount seen in all of 2024 ...

The state saw nine new cases, bringing the total number from 37 to 46, according to a Kansas Department of Health and ...

Think that you don't have to vaccinate your child because other children are vaccinated? Learn why herd immunity won't always have you covered.

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.

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

Two cases of measles have been confirmed in Cook County, Illinois, and the CDC is warning that the US risks losing its measles elimination status if the spread of the disease continues.

The Chicago Department of Public Health and Cook County Department of Public Health have identified two confirmed cases of measles. These ...

Eight hundred cases of measles were reported in the US as of April 17, 2025, representing the second highest annual case count in 25 years.

Public health experts worry the policy change would not only cast doubt on the safety and effectiveness of vaccines but would limit production and access. Separately, a decades-long pursuit of ...

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

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