Characteristics of children and antigen test performance at a SARS-CoV-2 community testing site Article Swipe
YOU?
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· 2021
· Open Access
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· DOI: https://doi.org/10.1101/2021.07.06.21259792
Background Performance characteristics of SARS-CoV-2 antigen tests among children are limited despite the need for point-of-care testing in school and childcare settings. We describe children seeking SARS-CoV-2 testing at a community site and compare antigen test performance to real-time reverse transcription-polymerase chain reaction (RT-PCR) and viral culture. Methods Two anterior nasal specimens were self-collected for BinaxNOW antigen and RT-PCR testing, along with demographics, symptoms, and exposure information from individuals ≥5 years at a community testing site. Viral culture was attempted on residual antigen or RT-PCR positive specimens. Demographic and clinical characteristics, and the performance of SARS-CoV-2 antigen tests, were compared among children (<18 years) and adults. Results About one in ten included specimens were from children (225/2110); 16.4% (37/225) were RT-PCR positive. Cycle threshold values were similar among RT-PCR positive specimens from children and adults (22.5 vs 21.3, p=0.46) and among specimens from symptomatic and asymptomatic children (22.5 vs 23.2, p=0.39). Sensitivity of antigen test compared to RT-PCR was 73.0% (27/37) among specimens from children and 80.8% (240/297) among specimens from adults; among specimens from children, specificity was 100% (188/188), positive and negative predictive value were 100% (27/27) and 94.9% (188/198) respectively. Virus was isolated from 51.4% (19/37) of RT-PCR positive pediatric specimens; all 19 had positive antigen test results. Conclusions With lower sensitivity relative to RT-PCR, antigen tests may not diagnose all positive COVID-19 cases; however, antigen testing identified children with live SARS-CoV-2 virus.
Related Topics
- Type
- preprint
- Language
- en
- Landing Page
- https://doi.org/10.1101/2021.07.06.21259792
- https://www.medrxiv.org/content/medrxiv/early/2021/07/07/2021.07.06.21259792.full.pdf
- OA Status
- green
- Cited By
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- References
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- Related Works
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- OpenAlex ID
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Raw OpenAlex JSON
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https://openalex.org/W3179937002Canonical identifier for this work in OpenAlex
- DOI
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https://doi.org/10.1101/2021.07.06.21259792Digital Object Identifier
- Title
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Characteristics of children and antigen test performance at a SARS-CoV-2 community testing siteWork title
- Type
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preprintOpenAlex work type
- Language
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enPrimary language
- Publication year
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2021Year of publication
- Publication date
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2021-07-07Full publication date if available
- Authors
-
Laura Ford, Melissa Whaley, Melisa M. Shah, Phillip P. Salvatore, Hannah E. Segaloff, Augustina Delaney, Dustin W. Currie, Lauren Boyle-Estheimer, Michelle O’Hegarty, Clint N. Morgan, Jennifer K. Meece, Lynn Ivacic, Natalie J. Thornburg, Azaibi Tamin, Jennifer L. Harcourt, Jennifer Folster, Magdalena Medrzycki, Shilpi Jain, Phili Wong, Kimberly Goffard, Douglas Gieryn, Juliana Kahrs, Kimberly Langolf, Tara Zochert, Jacqueline E. Tate, Christopher H. Hsu, Hannah L. KirkingList of authors in order
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https://doi.org/10.1101/2021.07.06.21259792Publisher landing page
- PDF URL
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https://www.medrxiv.org/content/medrxiv/early/2021/07/07/2021.07.06.21259792.full.pdfDirect link to full text PDF
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YesWhether a free full text is available
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greenOpen access status per OpenAlex
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https://www.medrxiv.org/content/medrxiv/early/2021/07/07/2021.07.06.21259792.full.pdfDirect OA link when available
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Asymptomatic, Antigen, Medicine, Viral culture, Demographics, Immunology, Internal medicine, Virus, Demography, SociologyTop concepts (fields/topics) attached by OpenAlex
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3Total citation count in OpenAlex
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2022: 1, 2021: 2Per-year citation counts (last 5 years)
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32Number of works referenced by this work
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10Other works algorithmically related by OpenAlex
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