SARS-CoV-2 infection serology: a useful tool to overcome lockdown?
Detection Principle
ImmunoAssay-Antibody
Testing Method - Additional Info
comparison of two different immunochromatographic cards (Card1: 2019-nCoV IgG/IgM Rapid Test Cassette, Hangzhou AllTest Biotech Co, Hangzhou, China); Card2: Cellex qSARS IgG/IgM Rapid Test, Cellex, Inc., NC, USA), an immunofluorescence chromatographic card (Card3: POCT-fluorescence Coronavirus IgG/IgM antibodies detection kit ,Sichuan Xincheng Biological Co., China), and a chemiluminescence-automated immunoassay (CLIA: Shenzhen Mindray Bio-Medical Electronics Co., Shenzen, China)
Reported Performance
Sensitivity: 61.4% (IgM Card1), 84.3% (IgG Card1), 87.8% (IgM Card2), 89.6% (IgG Card2), 84% (IgM Card3), 93% (IgG Card3), 84% (IgM CLIA), 95% (IgG CLIA); Specificity: 100% (IgM Card1), 100% (IgG Card1), 100% (IgM Card2), 100% (IgG Card2), 100% (IgM Card3), 100% (IgG Card3), 94% (IgM CLIA), 100% (IgG CLIA)
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