Another COVID Mystery: Why Some Fall Ill Twice

Anitra Hines, licensed practical nurse, Lithia Springs, GA.

Ramonda Hines, mother of Anitra Hines, Decatur, IL.

Carter Wright, photographer, Nashville.

Michael Sneller, MD, infectious disease specialist, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD.

Donna Farber, PhD, George Humphreys professor of surgical sciences; chief, Division of Surgical Sciences and professor of microbiology & immunology, Columbia University, New York City.

E. John Wherry, PhD, chair, Department of Systems Pharmacology and Translational Therapeutics; director, Institute for Immunology, University of Pennsylvania, Philadelphia.

Science: “Deep immune profiling of COVID-19 patients reveals distinct immunotypes with therapeutic implications.”

Nature: “Virological assessment of hospitalized patients with COVID-2019.”