Very small study showing no benefit for mask wearing ay preventing disease spread from #COVID19 patients
https://twitter.com/GermHunterMD/status/1247241667473633281 …
Epidemiologist. Writer (Guardian, Observer etc). "Well known research trouble-maker". PhDing at @UoW Host of @senscipod Email gidmk.healthnerd@gmail.com he/him
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Health Nerd Retweeted Ilan Schwartz MD PhD
Very small study showing no benefit for mask wearing ay preventing disease spread from #COVID19 patients
https://twitter.com/GermHunterMD/status/1247241667473633281 …
Health Nerd added,
Extremely timely mask
study
Effectiveness of Surgical and Cotton Masks in Blocking SARS–CoV-2: A Controlled Comparison in 4 Patients
Neither surgical nor cotton masks effectively filtered SARS–CoV-2 during coughs by infected patients
https://bit.ly/2JLFoc1 pic.twitter.com/w0i0M3u246“We do not know whether masks shorten the travel distance of droplets during coughing” isn’t that the key thing?
That's a biggie. Also appears that the outside of the masks became saturated with virus, which is a big infection risk for donning/doffing and cleaning
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