Cited by 2,270Infection Control and VentilationRespiratory viral infections researchSARS-CoV-2 and COVID-19 Research

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Respiratory virus shedding in exhaled breath and efficacy of face masks

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Leung, Nancy H. L., Chu, Daniel K. W., Shiu, Eunice Y. C., Chan, Kwok-Hung, McDevitt, James J., Hau, Benien J. P., Yen, Hui-Ling, Li, Yuguo, Ip, Dennis K. M., Peiris, J. S. Malik, Seto, Wing-Hong, Leung, Gabriel M., Milton, Donald K., Cowling, Benjamin J.·2020·Nature Medicine

DOI 10.1038/s41591-020-0843-2PMC PMC8238571

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Abstract

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.

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Authors: Leung, N. H. L., Chu, D. K. W., Shiu, E. Y. C., Chan, K.-H., McDevitt, J. J., Hau, B. J. P., Yen, H.-L., Li, Y., Ip, D. K. M., Peiris, J. S. M., Seto, W.-H., Leung, G. M., Milton, D. K., & Cowling, B. J.
Affiliations: University of Hong Kong (HK)
Harvard University (US)
Queen Mary Hospital (CN)
University of Maryland, College Park (US)
Corresponding author: Cowling, Benjamin J.
ORCID: Leung, Nancy H. L.
Chu, Daniel K. W.
Chan, Kwok-Hung
Yen, Hui-Ling
Li, Yuguo
Leung, Gabriel M.
Milton, Donald K.
Cowling, Benjamin J.
Venue: Nature Medicine
Publisher: Springer Science and Business Media LLC
Published: 2020-04-03
Volume: 26
Issue: 5
Pages: 676-680
ISSN: 1078-8956 (ISSN-L)
1546-170X
DOI: 10.1038/s41591-020-0843-2
PMC: PMC8238571
OpenAlex: W3014271510
Cited by: 2,270
References: 48
Citations by year: 2026: 43 · 2025: 98 · 2024: 166 · 2023: 232 · 2022: 400 · 2021: 683 · 2020: 643
FWCI: 276.42
Type: journal article
Language: en
Update notices: correction (2020-05-27)
Open access: bronze
doi.org
Licence: www.springer.com/tdm (tdm)
www.springer.com/tdm (vor)
Locations: Nature Medicine (publishedVersion)
Research Square (acceptedVersion, cc-by)
PubMed (publishedVersion)
PubMed Central (acceptedVersion)
Funders: University Grants Committee (T11–705/14N)
Food and Health Bureau
Centers for Disease Control and Prevention (U01IP000497, U01CI000446)
Health and Medical Research Fund (13120592)
National Institute of Allergy and Infectious Diseases (RC1AI086900)
Topics: Health Sciences › Medicine › Pulmonary and Respiratory Medicine › Infection Control and Ventilation
Health Sciences › Medicine › Epidemiology › Respiratory viral infections research
Health Sciences › Medicine › Infectious Diseases › SARS-CoV-2 and COVID-19 Research
Keywords: exhaled breath, surgical masks, influenza virus, human coronaviruses, rhinovirus, respiratory droplets, aerosols, acute respiratory illness, virus transmission prevention, children and adults
MeSH terms: COVID-19, Aerosols, Humans, Masks, Orthomyxoviridae, Pneumonia, Viral, Respiratory Tract Infections, RNA, Viral, Virus Shedding, Coronavirus Infections, Exhalation, Pandemics

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