6 ms·
The change has been the realization that anything less than a properly fitting KN95 mask is basically useless.
by throwawayboise 5y ago
The change has been the realization that anything less than a properly fitting KN95 mask is basically useless.
- MattPalmer1086 5y agoAccording to this large randomised trial [1], simple interventions to increase the use of surgical masks reduced infection by 11%, and by nearly 35% in over 60s. That doesn't seem useless. Of course, if you're only talking about protecting yourself from others, then a KN95 mask is clearly the way forward. [1] https://med.stanford.edu/news/all-news/2021/09/surgical-masks-covid-19.html https://med.stanford.edu/news/all-news/2021/09/surgical-mask...