High Efficacy of Saliva in Detecting SARS-CoV-2 by RT-PCR in Adults and Children.

Microorganisms · 2021 · PMC8003663 · PMID 33808815

Europe PMC DOI

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showed a trendno p-value reported

This is also highlighted in our study as the collection protocol with intensified throat clearing showed a trend to increase PPA at low viral loads.

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Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.