Change in Antibodies to SARS-CoV-2 Over 60 Days Among Health Care Personnel in Nashville, Tennessee

Of 19/249 (7.6%) healthcare personnel that had anti–SARS-CoV-2 antibodies at baseline, all had antibody decreases at 60 days; 8 (42%) had antibodies that persisted above the seropositivity threshold at 60 days, and 11 (58%) became seronegative.


Journal of the American Medical Association