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Respiratory virus shedding in exhaled breath and efficacy of face masks
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Journal Article
Respiratory virus shedding in exhaled breath and efficacy of face masks
2020
Overview
We identified seasonal human coronaviruses, influenza viruses and rhinoviruses in exhaled breath and coughs of children and adults with acute respiratory illness. Surgical face masks significantly reduced detection of influenza virus RNA in respiratory droplets and coronavirus RNA in aerosols, with a trend toward reduced detection of coronavirus RNA in respiratory droplets. Our results indicate that surgical face masks could prevent transmission of human coronaviruses and influenza viruses from symptomatic individuals.
A study of 246 individuals with seasonal respiratory virus infections randomized to wear or not wear a surgical face mask showed that masks can significantly reduce detection of coronavirus and influenza virus in exhaled breath and may help interrupt virus transmission.
Publisher
Nature Publishing Group US,Nature Publishing Group
Subject
/ Aerosols - isolation & purification
/ Biomedical and Life Sciences
/ Coronavirus Infections - prevention & control
/ Coronavirus Infections - transmission
/ Coronavirus Infections - virology
/ COVID-19
/ Droplets
/ Face
/ Humans
/ Masks
/ Orthomyxoviridae - isolation & purification
/ Orthomyxoviridae - pathogenicity
/ Pandemics - prevention & control
/ Pneumonia, Viral - prevention & control
/ Pneumonia, Viral - transmission
/ Respiratory Tract Infections - pathology
/ Respiratory Tract Infections - transmission
/ Respiratory Tract Infections - virology
/ RNA
/ RNA, Viral - isolation & purification
/ Testing
/ Viruses
