COVID-19 antibody test: MedlinePlus Medical Encyclopedia

Updated by: David C. Dugdale, III, MD, Professor of Drugs, Division of Basic Drugs, Section of Drugs, University of Washington College of Drugs. Also reviewed by David Zieve, MD, MHA, Health-related Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial staff. Editorial update 11/03/2020.