Experts warn against vaccine skepticism

Thanks to all those shots in the arm, in the year 2000, measles in the United States was declared eliminated. But now, it's coming back, with measles cases reported from California to Vermont.

One big reason: across the country in 2023, more families exempted their children from routine immunizations than ever before.

"There's never been a better time in human history to tackle an infectious disease than today," said Dr. Howard Markel, a medical historian, retired from the University of Michigan. "There's so many things we can do, from vaccines to antivirals to antibiotics. And yet, I am dumbfounded by the volume of anti-vax voices."