'Like a forest fire': Where large measles outbreaks will occur, according to an epidemiologist

(NEXSTAR) – Measles, one of the most contagious viruses in the world, has been confirmed in 17 states and counting as outbreaks multiply around the country.

As of last week, the Centers for Disease Control and Prevention said at least 378 cases of the virus have been confirmed in 2025 – and that number is expected to keep rising.

"What is interesting about this current outbreak is the speed at which it's expanding and increasing," said Dr. William Moss, an epidemiology professor...