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. 2021 Jul 15;73(Suppl 1):S54-S57.
doi: 10.1093/cid/ciab309.

Performance of Repeat BinaxNOW Severe Acute Respiratory Syndrome Coronavirus 2 Antigen Testing in a Community Setting, Wisconsin, November 2020-December 2020

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Performance of Repeat BinaxNOW Severe Acute Respiratory Syndrome Coronavirus 2 Antigen Testing in a Community Setting, Wisconsin, November 2020-December 2020

Melisa M Shah et al. Clin Infect Dis. .

Abstract

Repeating the BinaxNOW antigen test for severe acute respiratory syndrome coronavirus 2 using 2 groups of readers within 30 minutes resulted in high concordance (98.9%) in 2110 encounters. Same-day repeat antigen testing did not significantly improve test sensitivity (77.2% to 81.4%) while specificity remained high (99.6%).

Keywords: BinaxNOW; COVID-19; SARS-CoV-2; antigen testing; diagnostic performance.

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