On May 10, the Food and Drug Administration authorized the Pfizer coronavirus vaccine for 12-to-15-year-olds. Here's what parents should know. Read more: https://wapo.st/3fgMhTu. Subscribe to The Washington Post on YouTube: https://wapo.st/2QOdcqK Follow us: Twitter: / washingtonpost Instagram: / washingtonpost Facebook: / washingtonpost