Author: Ria Lassaunière; Anders Frische; Zitta B Harboe; Alex CY Nielsen; Anders Fomsgaard; Karen A Krogfelt; Charlotte S Jørgensen
Title: Evaluation of nine commercial SARS-CoV-2 immunoassays Document date: 2020_4_10
ID: 8cg5yj20_14
Snippet: The sensitivities and specificities are shown in table 1. The sensitivity of the Wantai Total Ab ELISA was equivalent to that of Euroimmun's IgA ELISA at 93% and was greater than that observed for Euroimmun's IgG ELISA at 67%. The specificity of the Wantai Total Ab ELISA was 100% compared to 93% and 96% for the Euroimmun IgA and IgG ELISAs, respectively. The positive predictive value and negative predictive value was 1). The positive predictive v.....
Document: The sensitivities and specificities are shown in table 1. The sensitivity of the Wantai Total Ab ELISA was equivalent to that of Euroimmun's IgA ELISA at 93% and was greater than that observed for Euroimmun's IgG ELISA at 67%. The specificity of the Wantai Total Ab ELISA was 100% compared to 93% and 96% for the Euroimmun IgA and IgG ELISAs, respectively. The positive predictive value and negative predictive value was 1). The positive predictive value of these tests were 100%, while the negative predictive values were 91%, 89%, 89%, and 74%, respectively. The Acro Biotech was evaluated on five case serum samples and had a specificity of 80%. One case serum sample was tested with the Hangzhou AllTest Biotech test and was positive for both IgM and IgG.
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