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Concordance (overlap area) of anti-SARS-CoV-2 reactivity between Maglumi IgG, Maglumi IgM and Roche in all seropositive participants (n = 30). Maglumi IgM, Maglumi SARS-CoV-2 chemiluminescence assay Immunoglobulin M (IgM); Maglumi IgG, Maglumi SARS-CoV-2 chemiluminescence assay Immunoglobulin G (IgG); Roche, Elecsys® Anti-SARS-CoV-2 electrochemiluminescence assay total immunoglobulin (Ig).
