Should COVID Shots for Teens Go to Developing Nations? The move to immunize U.S. teenagers has spurred an ethical debate among medical professionals: Should those doses set for American teens go abroad instead?
U.S. Vaccine Safety System Still Has Gaps
With some 100 million Americans fully vaccinated, the U.S. is relying on a patchwork network of vaccine monitoring systems that lack the breadth and depth of large, population-based programs, experts said.