Analytical Sensitivity of Five SARS-CoV-2 Rapid Antigen Tests for Omicron Versus Delta Variant Article Swipe
Jean-Louis Bayart
,
Jonathan Degosserie
,
Julien Favresse
,
Constant Gillot
,
Marie Didembourg
,
Happy Phanio Djokoto
,
Valérie Verbelen
,
Gatien Roussel
,
Celine Maschietto
,
François Mullier
,
Jean‐Michel Dogné
,
Jonathan Douxfils
·
YOU?
·
· 2022
· Open Access
·
· DOI: https://doi.org/10.20944/preprints202203.0010.v1
YOU?
·
· 2022
· Open Access
·
· DOI: https://doi.org/10.20944/preprints202203.0010.v1
Rapid antigen detection tests (RAD) are commonly used for the diagnosis of SARS-CoV-2 infections. However, with the continuous emergence of new variants of concern (VOC) presenting various mutations potentially affecting the nucleocapsid protein, the analytical performances of these assays should be frequently reevaluated. One-hundred and twenty samples were selected and tested with both RT-qPCR and five commercial RAD commonly sold in Belgian pharmacies. Of these, direct whole genome sequencing identified the strains present in 116 samples, of which 70 were Delta and 46 were Omicron. Sensitivity across a wide range of Ct values (13.5 to 35.7; median = 21.3) were comparable and ranged from 70.0% to 77.1% for Delta strains and from 69.6% to 78.3% for Omicron strains. When taking swabs with a low viral load (Ct > 25), poor performances were observed for the Delta strains (20.0 to 40.0%) and, even more so, for Omicron strains (0.0 to 23.1%). Two devices failed to detect all samples (n = 13) containing Omicron strains with a low viral load. The poor performance observed with low viral loads is an important limitation of RAD, which is not sufficiently highlighted in the instruction for use of these devices.
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- Type
- preprint
- Language
- en
- Landing Page
- https://doi.org/10.20944/preprints202203.0010.v1
- https://www.preprints.org/manuscript/202203.0010/v1/download
- OA Status
- green
- Cited By
- 10
- References
- 21
- Related Works
- 10
- OpenAlex ID
- https://openalex.org/W4214653609
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Raw OpenAlex JSON
- OpenAlex ID
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https://openalex.org/W4214653609Canonical identifier for this work in OpenAlex
- DOI
-
https://doi.org/10.20944/preprints202203.0010.v1Digital Object Identifier
- Title
-
Analytical Sensitivity of Five SARS-CoV-2 Rapid Antigen Tests for Omicron Versus Delta VariantWork title
- Type
-
preprintOpenAlex work type
- Language
-
enPrimary language
- Publication year
-
2022Year of publication
- Publication date
-
2022-03-01Full publication date if available
- Authors
-
Jean-Louis Bayart, Jonathan Degosserie, Julien Favresse, Constant Gillot, Marie Didembourg, Happy Phanio Djokoto, Valérie Verbelen, Gatien Roussel, Celine Maschietto, François Mullier, Jean‐Michel Dogné, Jonathan DouxfilsList of authors in order
- Landing page
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https://doi.org/10.20944/preprints202203.0010.v1Publisher landing page
- PDF URL
-
https://www.preprints.org/manuscript/202203.0010/v1/downloadDirect link to full text PDF
- Open access
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YesWhether a free full text is available
- OA status
-
greenOpen access status per OpenAlex
- OA URL
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https://www.preprints.org/manuscript/202203.0010/v1/downloadDirect OA link when available
- Concepts
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Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), Virology, Coronavirus disease 2019 (COVID-19), Antigen, Viral load, Biology, Genome, Medicine, Genetics, Virus, Gene, Pathology, Disease, Infectious disease (medical specialty)Top concepts (fields/topics) attached by OpenAlex
- Cited by
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10Total citation count in OpenAlex
- Citations by year (recent)
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2024: 2, 2023: 3, 2022: 5Per-year citation counts (last 5 years)
- References (count)
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21Number of works referenced by this work
- Related works (count)
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10Other works algorithmically related by OpenAlex
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