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Updated: Dec 12, 2025

Large-Scale SARS-CoV-2 Testing Utilizing Saliva and Transposition Sample Pooling
Published on: June 23, 2022
Exploring alternative swabs for use in SARS-CoV-2 detection from the oropharynx and anterior nares
Glenn Patriquin1, Ian Davis1, Charles Heinstein2
1Division of Microbiology, Department of Pathology and Laboratory Medicine, Nova Scotia Health Authority (NSHA), Halifax, Nova Scotia, Canada; Departments of Pathology, Medicine, and Microbiology and Immunology, Dalhousie University, Halifax, Nova Scotia, Canada.
Abstract:
The COVID-19 pandemic has led to a worldwide shortage of nasopharyngeal swabs and universal transport media. This study evaluated a combined oropharynx/nares (OP/Na) sample collection using two readily-available non-flocked swabs, transported in phosphate-buffered saline, and demonstrates equivalent performance in SARS-CoV-2 detection compared to a previously-validated OP/Na collection kit.
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