Assessing the effectiveness of using various face coverings to mitigate the transport of airborne particles produced by coughing indoors
Liqiao Li,Muchuan Niu,Yifang Zhu +2 more
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In this article, the effectiveness of various face coverings to reduce the spread of SARS-CoV-2 virus during the COVID-19 pandemic was investigated and compared.Abstract:
Exposure to respiratory droplets contributes greatly to the spread of SARS-CoV-2 virus during the COVID-19 pandemic. This study investigates the effectiveness of various face coverings to reduce co...read more
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Flow Physics of COVID-19
Rajat Mittal,Rui Ni,Jung Hee Seo +2 more
TL;DR: In this article, the authors summarized what we know, and more importantly, what we need to learn about the science underlying these issues so that we are better prepared to tackle the next outbreak of COVID-19 or a similar disease.
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Inward and outward effectiveness of cloth masks, a surgical mask, and a face shield
TL;DR: A three-layer mask consisting of outer layers of a flexible, tightly woven fabric and an inner layer consisting of a material designed to filter out particles is recommended, which should produce an overall efficiency of >70% at the most penetrating particle size and >90% for particles 1 m and larger if the mask fits well.
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Transparent Air Filters with Active Thermal Sterilization.
Seonggeun Han,Jae-Won Kim,Youngseok Lee,Junhyuk Bang,Cheol Gyun Kim,Junhwa Choi,Jinki Min,Inho Ha,Yeosang Yoon,Cheol-Heui Yun,Mutya A. Cruz,Benjamin J. Wiley,Seung Hwan Ko +12 more
TL;DR: In this paper, the authors used copper nanowires to fabricate transparent and self-sterilizable air filters, which allowed visible light penetration, thereby can exhibit facial expressions, helpful for better communication.
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A comparison of performance metrics for cloth masks as source control devices for simulated cough and exhalation aerosols
William G. Lindsley,Francoise M. Blachere,Donald H. Beezhold,Brandon F. Law,Raymond C. Derk,Justin M. Hettick,Karen Woodfork,William T. Goldsmith,James R. Harris,Matthew G. Duling,Brenda Boutin,Timothy R. Nurkiewicz,Theresa Boots,Jayme P. Coyle,John D. Noti +14 more
TL;DR: In this article, a universal mask wearing is recommended to help control the spread of COVID-19, which reduces the expulsion of aerosols of respiratory fluids into the environment (called source control).
References
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Journal ArticleDOI
Aerosol and Surface Stability of SARS-CoV-2 as Compared with SARS-CoV-1.
Neeltje van Doremalen,Trenton Bushmaker,Dylan H. Morris,Myndi G. Holbrook,Amandine Gamble,Brandi N. Williamson,Azaibi Tamin,Jennifer L Harcourt,Natalie J. Thornburg,Susan I. Gerber,James O. Lloyd-Smith,Emmie de Wit,Vincent J. Munster +12 more
TL;DR: Aerosol and Surface Stability of SARS-CoV-2 In this research letter, investigators report on the stability of Sars-CoVs and the viability of the two virus under experimental conditions.
Journal ArticleDOI
Presumed Asymptomatic Carrier Transmission of COVID-19.
TL;DR: This study describes possible transmission of novel coronavirus disease 2019 (COVID-19) from an asymptomatic Wuhan resident to 5 family members in Anyang, a Chinese city in the neighboring province of Hubei.
Journal ArticleDOI
Physical distancing, face masks, and eye protection to prevent person-to-person transmission of SARS-CoV-2 and COVID-19: a systematic review and meta-analysis.
Derek K. Chu,Elie A. Akl,Elie A. Akl,Stephanie Duda,Karla Solo,Sally Yaacoub,Holger J. Schünemann,Holger J. Schünemann,Amena El-Harakeh,Antonio Bognanni,Tamara Lotfi,Mark Loeb,Anisa Hajizadeh,Anna Bak,Ariel Izcovich,Carlos A. Cuello-Garcia,Chen Chen,David Harris,Ewa Borowiack,Fatimah Chamseddine,Finn Schünemann,Gian Paolo Morgano,Giovanna E.U. Muti Schünemann,Guang Chen,Hong Zhao,Ignacio Neumann,Jeffrey Chan,Joanne Khabsa,Layal Hneiny,Leila Harrison,Maureen A. Smith,Nesrine Rizk,Paolo Giorgi Rossi,Pierre AbiHanna,Rayane El-Khoury,Rosa Stalteri,Tejan Baldeh,Thomas Piggott,Yuan Zhang,Zahra Saad,Assem M. Khamis,Marge Reinap +41 more
TL;DR: The optimum distance for avoiding person-to-person virus transmission is investigated and the use of face masks and eye protection to prevent transmission of viruses is assessed to investigate the effects of physical distance, face masks, and eye Protection on virus transmission in health-care and non-health-care settings.
Journal ArticleDOI
Respiratory virus shedding in exhaled breath and efficacy of face masks.
Nancy H. L. Leung,Daniel K.W. Chu,Eunice Y.C. Shiu,Kwok-Hung Chan,James J. McDevitt,Benien J.P. Hau,Benien J.P. Hau,Hui-Ling Yen,Yuguo Li,Dennis K. M. Ip,J. S. Malik Peiris,WH Seto,WH Seto,Gabriel M. Leung,Donald K. Milton,Benjamin J. Cowling +15 more
TL;DR: 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.
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