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SARS-CoV-2 antibody positivity rates in the Wantai RBD total antibody assay, Liaison S1/S2 IgG assay and Alinity i nucleocapsid IgG assay by analyzing serum samples collected from 46 SARS-CoV-2 infected individuals at two or more time points for up to 38 weeks following PCR positivity. In weeks 37–38, most PCR-positive cases were SARS-CoV-2 vaccinated, resulting in 100% positivity rates in the Wantai RBD total antibody assay and Liaison S1/S2 IgG assay.
