Author: Truong, Melissa; Pfau, Brian; McDermot, Evan; Han, Peter D.; Brandstetter, Elisabeth; Richardson, Matthew; Kim, Ashley E.; Rieder, Mark J.; Chu, Helen Y.; Englund, Janet A.; Nickerson, Deborah A.; Shendure, Jay; Lockwood, Christina M.; Konnick, Eric Q.; Starita, Lea M.
Title: Comparable specimen collection from both ends of at-home mid-turbinate swabs Cord-id: 3v2s7grl Document date: 2020_12_8
ID: 3v2s7grl
Snippet: Unsupervised upper respiratory specimen collection is a key factor in the ability to massively scale SARS-CoV-2 testing. But there is concern that unsupervised specimen collection may produce inferior samples. Across two studies that included unsupervised at-home mid-turbinate specimen collection, ~1% of participants used the wrong end of the swab. We found that molecular detection of respiratory pathogens and a human biomarker were comparable between specimens collected from the handle of the s
Document: Unsupervised upper respiratory specimen collection is a key factor in the ability to massively scale SARS-CoV-2 testing. But there is concern that unsupervised specimen collection may produce inferior samples. Across two studies that included unsupervised at-home mid-turbinate specimen collection, ~1% of participants used the wrong end of the swab. We found that molecular detection of respiratory pathogens and a human biomarker were comparable between specimens collected from the handle of the swab and those collected correctly. Older participants were more likely to use the swab backwards. Our results suggest that errors made during home-collection of nasal specimens do not preclude molecular detection of pathogens and specialized swabs may be an unnecessary luxury during a pandemic.
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