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Several immunochromatographic serological test kits have been developed to detect severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) specific antibodies, but their relative performance and potential clinical utility is unclear. Methods: Three commercially available serological test kits were evaluated using 99 serum samples collected from 29 patients diagnosed with coronavirus disease 2019 (COVID-19). Results: The IgM antibody-positive rates of the three serological test kits fordoi:10.1101/2020.06.28.20140475 fatcat:s5qoyvbk6zhcnkkdhgwqa3u3mm