Measles vaccines given long ago could be less effective now, doctors say As measles outbreaks continue, here’s how to know whether you need a booster Melissa Rudy By Melissa Rudy Fox News Published March 2, 2025 1:44pm EST

Measles vaccines given long ago could be less effective now, doctors say As measles outbreaks continue, here’s how to know whether you need a booster Melissa Rudy By Melissa Rudy Fox News Published March 2, 2025 1:44pm EST https://www.foxnews.com/health/measles-vaccines-given-long-ago-could-less-effective-now-doctors-say