Four point-of-care lateral flow immunoassays for diagnosis of COVID-19 and for assessing dynamics of antibody responses to SARS-CoV-2
Detection Principle
ImmunoAssay-Antibody
Target
IgG. IgM vs N or S
Testing Method Category
Testing Method
Kits (LFIA)
Testing Method - Additional Info
point-of-care (POC) lateral flow immunoassays (LFIA) (ALLTEST 2019-nCoV IgG/IgM Rapid Test, Dynamiker 2019-nCoV IgG/IgM Rapid Test, ASK COVID-19 IgG/IgM Rapid Test, and Wondfo SARS-CoV-2 Antibody Test)
Reported Performance
Sensitivity: 100% (overall, >21 dpo), 50% (ALLTEST 1-14 dpo), 97.5% (ALLTEST 15-21 dpo), 41.3% (Dynamiker 1-14 dpo), 87% (Dynamiker 15-21 dpo), 47.8% (ASK 1-14 dpo), 87% (ASK 15-21 dpo), 52.2% (Wondfo 1-14 dpo), 91.3% (Wondfo 15-21 dpo); Specificity: 100% (overall, >21 dpo); 100% (overall, 1-14dpo), 100% (overall, 15-21 dpo)
Sample Size
16 PCR positive 58 PCR negative patients
Peer-reviewed
yes
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