These results have been replicated, and bettered - surgical masks were found to be 10 to 100 times more effective than the recommended elbow-cough maneuver at reducing the concentration of viable aerosols. Of course, N95s are better yet. https://t.c…
@aFm1lgRgTmPaG5v @CoenTurkey Wood et al. (2018) - 嚢胞性線維症患者25人の咳で、Pseudomonas aeruginosaエアロゾルを測定。 サージカル/N95マスク: 90%以上減少 手で覆う咳エチケット: マスクの約半分の減少効果しかなく、効果が低いと結論。 マスクの方が快適とも…
@NJDeptofHealth Even in flawed studies where they did not take into account the autonomic reflex nature of coughing / sneezing, coughing etiquette was only 1/2 that of masking in reduction of aerosols. But again - I can be as polite as you want, but it…
Here in the west, the CDC recommends Respiratory Etiquette. Which belongs in the 1770s in terms of efficacy. It's a joke. But the concept of not infecting others is actually at the heart of it. https://t.co/CrrKt4pbbp