The first measles cases hit last fall, and the South Carolina health department declared an outbreak at the start of October. Now, more than 200 cases have been reported over the past few months, and ...

Colorado measles vaccination rates are falling behind other states, leading to a lower herd immunity among children.

In the year 2000, the measles virus was given an “eliminated status,” but after a huge spike in measles outbreaks in 2025, ...

The number of Arizona counties impacted by measles continues to grow. Pima County is the latest to report an infection.