EditorialA health care worker vaccinates an 11-year-old girl at a museum in downtown Rio de Janeiro on Monday, Jan. 17, 2022, as a vaccine mascot looks on. (Dado Galdieri/The New York Times)
EditorialA health care worker vaccinates a child against the coronavirus during a vaccine clinic in Norristown, Pa. on Dec. 23, 2020. (Kriston Jae Bethel/The New York Times)
EditorialA health care worker vaccinates a person at Arthur Ashe, Jr. Athletic Center during a COVID-19 vaccination event set up by the Virginia Department of Health in Richmond ,Va., on March 4, 2021. (Carlos Bernate/The New York Times)
EditorialDiann Ferril-Reader vaccinates Ramona Perez, 75, and her husband, Robert Occasio, 93, at the Castle Hill Community Center in New York, Feb. 4, 2021. (James Estrin/The New York Times)