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abstractpubmed· Abstract 2021· item PMID:33734962
Persistence of SARS-CoV-2 N-Antibody Response in Healthcare Workers, London, UK. Prospective serosurveillance of severe acute respiratory syndrome coronavirus 2 in 1,069 healthcare workers in London, UK, demonstrated that nucleocapsid antibody titers were stable and sustained for <12 weeks in 312 seropositive participants. This finding was consistent across demographic and clinical variables and contrasts with reports of short-term antibody waning.