On Monday, health care workers began administering the first shots of a COVID-19 vaccine. NPR discusses the latest news and explores the challenges the U.S. could face in vaccinating people.
U.S. Has Begun COVID-19 Vaccine Rollout
On Monday, health care workers began administering the first shots of a COVID-19 vaccine. NPR discusses the latest news and explores the challenges the U.S. could face in vaccinating people.