One of the most contagious viruses in the world is spreading around the United States. So far in 2025 there have been three distinct measles outbreaks and at least 164 cases reported to the Centers for Disease Control and Prevention coming from nine states.

Measles are spreading and have already caused one death. Here's what you need to know according to the CDC and medical experts.

Measles has been spreading across the U.S. for the last several weeks, sickening people in at least nine states amid a growing outbreak in western Texas. Several people have been hospitalized and at least one unvaccinated school-aged child in Texas has died,