Measles is an ancient disease caused by a virus that probably evolved in cattle and jumped into humans around 500 B.C. One of ...

In 2000, the Centers for Disease Control and Prevention declared that measles had been eliminated in the United States. In 2025, one of us announced the death of an unvaccinated child from a ...

Six years ago, two communities in New York – one in Brooklyn and one in Rockland County – were facing the worst measles outbreaks the United States had seen in decades. Measles had been ...

With measles becoming a growing threat nationwide, federal health officials continue to encourage parents to vaccinate their children to avoid becoming infected by the highly contagious virus.

Measles is still making headlines in 2025, prompting questions about the life-threatening disease and how to prevent it. Here's what to know. The largest measles outbreak so far this year has been ...