ArticleAccess microbiology2023
Impact of swab removal in the detection of SARS-CoV-2 weakly-positive specimens.
Article in Access microbiology, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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0 citing papers in PubMed, 0 citations in OpenAlex.
No citing paper in PubMed yet.
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Authors and funding
6 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Removing the swab after collection can speed up diagnosis and improve the quality of laboratory procedures. This study investigates the impact of swab removal on SARS-CoV-2 detection in clinical specimens with a focus on high Cycle threshold (Ct) samples (Cts≥32). The method assessed pairs of SARS-CoV-2 samples mimicking combined throat and nose swabs and tested them on two real-time-PCR platforms; the Applied Biosystems 7500 and the Abbott Alinity. Swab removal did not significantly affect detection rates of SARS-CoV-2 samples with Ct values<32, regardless of the PCR platform. However, reduced reproducibility was seen at the endpoint limit of detection of the platforms, which meant that fewer samples with Ct values≥32 were detected in the swab removal group.
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Registered trials
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