Measles was once declared eliminated in the U.S. So why is it back and spreading fast? Priyanka and Hari break down one of the most contagious viruses humans have ever faced, what actually happens in your body when you get infected, and why outbreaks are rising again today. They walk through the history of measles, how vaccines work, and the real risks versus the perceived ones. Along the way, they tackle common questions, misinformation, and the science behind the MMR vaccine so you can make informed decisions for yourself and your family.