Support WBURThe U.S. measles outbreak is growing. Here's what to knowPlay11:25Download AudioMaria GodoyHannah ChinnRegina G. BarberRebecca RamirezJane GreenhalghMarch 18, 2025 ShareAn illustration of the measles virus showing giant multinucleated cells, or Warthin-Finkeldey cells. These cells are found in hyperplastic lymph nodes early in the course of a measles infection. (Getty Images)
