EditorialChris Long, who has landed in the hospital seven times after contracting Covid-19, in Clarkston, Mich., Nov. 24, 2020. (Emily Rose Bennett/The New York Times)
EditorialShehran Uddin holds a photo of his father, Jamal, holding him as a child near their home in New York, April 22, 2020. (Natalie Keyssar/The New York Times)