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The antigen and antibody kinetics of SARS-CoV-2 infected patients remains unclear, and the clinical values of the serological test have not been completely elucidated. A total of 154 serum samples from 13 patients with COVID-19 infection were collected at about three-day intervals during hospitalization. Samples were screened for SARS-CoV-2-specific total antibodies (TAb), IgA, IgM, IgG, and antigen (Ag) using chemiluminescent microparticle immunoassays (CMIA). The overall seroconversion and/ordoi:10.21203/rs.3.rs-334881/v2 fatcat:rwqdqvigorecbckrvadxtwldca