Detection of the SARS-CoV-2 specific IgG and IgM antibody
Novel Coronavirus antibody detection was achieved by using the Novel
Coronavirus antibody kit (Lizhu Pharmaceutical Group Co., Ltd. China)
Novel coronavirus ( 2019-nCoV ) antibody IgM ( 2019-nCoV IgM ) and
2019-nCoV IgG were detected by the colloid-gold method ( Teovirus ) .
2019-nCoV IgM and IgG were shown in unit of S/CO, a value less than 0.79
was considered negative, a value of 0.80-1.20 were considered
suspicious, and a value more than 1.21 were considered positive.