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Detection rates by a commercial microarray (Viramed) in 354 blood samples longitudinally obtained from 81 hospitalized IgG-seroconverting patients with acute SARS-CoV-2 infection, grouped by a 2-day interval (one sample per patient per interval step). (A) S1-, S2-, and NCP-specific IgM antibodies; (B) S1-, S2-, and NCP-specific IgA antibodies; (C) S1-, S2-, and NCP-specific IgG antibodies.
