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Point-of-Care Antigen Test for SARS-CoV-2 in Asymptomatic College Students

Sarah C Tinker et al. Emerg Infect Dis. 2021.

Abstract

We used the BinaxNOW COVID-19 Ag Card to screen 1,540 asymptomatic college students for severe acute respiratory syndrome coronavirus 2 in a low-prevalence setting. Compared with reverse transcription PCR, BinaxNOW showed 20% overall sensitivity; among participants with culturable virus, sensitivity was 60%. BinaxNOW provides point-of-care screening but misses many infections.

Keywords: 2019 novel coronavirus disease; COVID-19; SARS-CoV-2; adolescents; antigen testing; asymptomatic; colleges; coronavirus disease; coronaviruses; institutions of higher education; respiratory infections; severe acute respiratory syndrome coronavirus 2; universities; viruses; young adults; zoonoses.

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Figures

Figure
Figure
Ct values of severe acute respiratory syndrome coronavirus 2–positive samples tested by reverse transcription PCR, the BinaxNOW COVID-19 Ag Card (BinaxNOW; Abbott Laboratories, https://www.abbott.com), and viral culturing. Ct, cycle threshold.
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