Sensitivity of anti-SARS-CoV-2 serological assays in a high-prevalence setting.
Sensitivity of anti-SARS-CoV-2 serological assays in a high-prevalence setting.
复制标题
抗SARS-COV-2血清学测定的敏感性。
DOI:
10.1007/s10096-021-04169-7
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发表时间:
2021-05
期刊:
影响因子:
--
通讯作者:
Senff T
中科院分区:
文献类型:
--
作者:
Müller L;Ostermann PN;Walker A;Wienemann T;Mertens A;Adams O;Andree M;Hauka S;Lübke N;Keitel V;Drexler I;Di Cristanziano V;Hermsen DF;Kaiser R;Boege F;Klein F;Schaal H;Timm J;Senff T
Evaluation and power of seroprevalence studies depend on the performed serological assays. The aim of this study was to assess four commercial serological tests from EUROIMMUN, DiaSorin, Abbott, and Roche as well as an in-house immunofluorescence and neutralization test for their capability to identify SARS-CoV-2 seropositive individuals in a high-prevalence setting. Therefore, 42 social and working contacts of a German super-spreader were tested. Consistent with a high-prevalence setting, 26 of 42 were SARS-CoV-2 seropositive by neutralization test (NT), and immunofluorescence test (IFT) confirmed 23 of these 26 positive test results (NT 61.9% and IFT 54.8% seroprevalence). Four commercial assays detected anti-SARS-CoV-2 antibodies in 33.3-40.5% individuals. Besides an overall discrepancy between the NT and the commercial assays regarding their sensitivity, this study revealed that commercial SARS-CoV-2 spike-based assays are better to predict the neutralization titer than nucleoprotein-based assays are. The online version contains supplementary material available at 10.1007/s10096-021-04169-7.
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