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Study finds COVID-19 antibodies drop substantially in the weeks following infection

The antibody levels to SAR-CoV-2, the virus that causes COVID-19, substantially drop in the weeks following infection, according to a study led by Vanderbilt University Medical Center and the Centers for Disease Control and Prevention (CDC). In an April study of 19 health care workers at VUMC with detectable antibodies to SARS-CoV-2, 58% had antibody levels drop below the threshold of positivity 60 days later. The story appears in today’s Journal of the American Medical Association (JAMA).