Background Human to human transmission of SARS-CoV-2 is driven by the respiratory route but little is known about the pattern and quantity of virus output from exhaled breath. We have previously shown that face-mask sampling (FMS) can detect exhaled tubercle bacilli and have adapted its use to quantify exhaled SARS-CoV-2 RNA in patients admitted to hospital with covid-19.

 

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Citation: Caroline M. Williams, Daniel Pan, Jonathan Decker, Eve Fletcher, Anika Wisniewska, Shirley Sze, Sara Assadi, Richard Haigh, Mohamad Abdulwhhab, Paul Bird, Christopher W Holmes, Alaa Al-Taie, Baber Saleem, Jingzhe Pan, Natalie J Garton, Manish Pareek, Michael R Barer medRxiv 2020.08.18.20176693; doi: https://doi.org/10.1101/2020.08.18.20176693