A CDC advisory committee is debating this issue Tuesday. Half of U.S. adults could be considered high priority, yet the initial supply is likely to be only enough for 3% to 5% of the population.
Copyright 2020 NPR
Pien Huang is a health reporter on the Science desk. She was NPR's first Reflect America Fellow, working with shows, desks and podcasts to bring more diverse voices to air and online.