A quarter-century after it was declared eliminated in the U.S., the disease has likely spread uninterrupted for more than a year. Parkside Pediatrics provider Nathan Heffington assesses a patient with measles symptoms in Spartanburg, South Carolina, on January 30, 2026. (Getty Images) Parkside Pediatrics provider Nathan Heffington assesses a patient with measles symptoms in Spartanburg, South Carolina, on January 30, 2026. (Getty Images) Turn any article into a podcast.