EditorialDr. Charlotte Cunningham-Rundles, an immunologist at Icahn School of Medicine at Mount Sinai in New York, April 13, 2021. (Joshua Bright/The New York Times)
EditorialSamples of breast milk from women who have received COVID-19 vaccines, used by Rebecca Powell, a human milk immunologist at the Icahn School of Medicine at Mount Sinai in Manhattan, in her research, in New York on March 25, 2021. (James Estrin/The New York Times)
EditorialDr. Kizzmekia Corbett, a viral immunologist at the National Institutes of Health, in Wheaton, Md., Sept. 25, 2020. (Timothy Nwachukwu/The New York Times)