Author: Chris Kenyon
Title: Widespread use of face masks in public may slow the spread of SARS CoV-2: an ecological study Document date: 2020_4_6
ID: 5wsj003j_8
Snippet: Advocates of universal usage of face masks point to four types of evidence. Firstly, 89 SARS CoV-1 and -2 are spread mainly through contact-and droplet-but also 90 through airborne-transmission [6, 9] . Detailed environmental and epidemiological 91 investigations from the large Amoy Gardens outbreak of SARS CoV-1 revealed that 92 airborne transmission played an important role in the outbreak [10, 11] . Likewise in 93 vitro studies demonstrate tha.....
Document: Advocates of universal usage of face masks point to four types of evidence. Firstly, 89 SARS CoV-1 and -2 are spread mainly through contact-and droplet-but also 90 through airborne-transmission [6, 9] . Detailed environmental and epidemiological 91 investigations from the large Amoy Gardens outbreak of SARS CoV-1 revealed that 92 airborne transmission played an important role in the outbreak [10, 11] . Likewise in 93 vitro studies demonstrate that SARS CoV-2 can be aerosolized and remain viable in 94 the air in this form for at least 3 hours [12] . Although viral viability was not assessed, 95 air samples from hospital rooms and toilets used by COVID-19 patients as well as 96 from a crowded entrance to a department store tested positive for SARS . 97
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