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DOI | 10.1126/science.abg6296 |
Face masks effectively limit the probability of SARS-CoV-2 transmission | |
Cheng Y.; Ma N.; Witt C.; Rapp S.; Wild P.S.; Andreae M.O.; Pöschl U.; Su H. | |
发表日期 | 2021 |
ISSN | 0036-8075 |
起始页码 | 1339 |
结束页码 | 1343 |
卷号 | 372期号:6549 |
英文摘要 | Airborne transmission by droplets and aerosols is important for the spread of viruses. Face masks are a well-established preventive measure, but their effectiveness for mitigating severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) transmission is still under debate. We show that variations in mask efficacy can be explained by different regimes of virus abundance and are related to populationaverage infection probability and reproduction number. For SARS-CoV-2, the viral load of infectious individuals can vary by orders of magnitude. We find that most environments and contacts are under conditions of low virus abundance (virus-limited), where surgical masks are effective at preventing virus spread. More-advanced masks and other protective equipment are required in potentially virus-rich indoor environments, including medical centers and hospitals. Masks are particularly effective in combination with other preventive measures like ventilation and distancing. © 2021 American Association for the Advancement of Science. All rights reserved. |
英文关键词 | aerosol; disease transmission; infectious disease; severe acute respiratory syndrome; ventilation; aerosol transmission; Article; artificial ventilation; basic reproduction number; droplet transmission; human; Human coronavirus 229E; Human coronavirus HKU1; Human coronavirus NL63; Human coronavirus OC43; ID50 (median infectious dose); indoor environment; Influenza A virus; Influenza B virus; mathematical model; normal distribution; Rhinovirus; Severe acute respiratory syndrome coronavirus 2; social distancing; virus load; virus transmission; SARS coronavirus |
语种 | 英语 |
来源期刊 | Science
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文献类型 | 期刊论文 |
条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/243317 |
作者单位 | Max Planck Institute for Chemistry, Mainz, 55128, Germany; Institute for Environmental and Climate Research, Jinan University, Guangzhou, 511443, China; Department of Outpatient Pneumology, Institute of Physiology, Charité Universitätsmedizin Berlin, Campus Charité Mitte, Berlin, 10117, Germany; University Medical Center, Johannes Gutenberg-University Mainz, Mainz, 55131, Germany; Scripps Institution of Oceanography, University of California San Diego, San Diego, CA 92093, United States; Department of Geology and Geophysics, King Saud University, Riyadh, 11451, Saudi Arabia; State Environmental Protection Key Laboratory of Formation and Prevention of Urban Air Pollution Complex, Shanghai Academy of Environmental Sciences, Shanghai, 200233, China |
推荐引用方式 GB/T 7714 | Cheng Y.,Ma N.,Witt C.,et al. Face masks effectively limit the probability of SARS-CoV-2 transmission[J],2021,372(6549). |
APA | Cheng Y..,Ma N..,Witt C..,Rapp S..,Wild P.S..,...&Su H..(2021).Face masks effectively limit the probability of SARS-CoV-2 transmission.Science,372(6549). |
MLA | Cheng Y.,et al."Face masks effectively limit the probability of SARS-CoV-2 transmission".Science 372.6549(2021). |
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