EditorialSandra Celedon, a leader of a coalition of grassroots organizations, at her home in Fresno, Calif., May 21, 2021. (Brian L. Frank/The New York Times)
EditorialGenome scientist Preston Estep, who lives in the Boston area and is chief scientist and co-founder of the Rapid Deployment Vaccine Collaborative (RaDVaC), prepares to administer the eighth iteration of a peptide vaccine to himself, in Massachusetts, Aug. 20, 2020. (Kayana Szymczak/The New York Times)