COVID-19 antibody test: MedlinePlus Medical Encyclopedia

Updated by: David C. Dugdale, III, MD, Professor of Medicine, Division of Common Medicine, Department of Medicine, College of Washington University of Medicine. Also reviewed by David Zieve, MD, MHA, Health care Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial staff. Editorial update eleven/03/2020.