They Waited, They Worried, They Stalled. Then They Got the Shot.

A health care worker administers a dose of Pfizer-BioNTech's COVID-19 vaccine to Duncan Beauchamp, 17, at Lyman Orchards in Middlefield, Conn., on Thursday, July 22, 2021. The U.S. vaccine rollout has plateaued and the course of the coronavirus pandemic in this country may depend on how many people are ultimately swayed to get vaccinated. (Christopher Capozziello/The New York Times)