Detection of IgG/IgM anti-SARS-CoV-2 antibodies in all samples All serum samples (symptomatic/asymptomatic Covid-19-positive, healthy blood donors, HBV-positive, HCV-positive, and CMV-positive) were diluted 1: 400 in blocking buffer
Detection of IgG/IgM anti-SARS-CoV-2 antibodies in all samples All serum samples (symptomatic/asymptomatic Covid-19-positive, healthy blood donors, HBV-positive, HCV-positive, and CMV-positive) were diluted 1: 400 in …