3 ms·

There are studies that show a mask is effective in protecting the wearer. The one I can immediately remember is https://www.freep.com/story/news/health/2020/11/

• Gwypaas 6y ago
  Do you also handle your mask and other PPE like this? [0] From the comments the even the linked video is not perfect. This is the problem with the public advice, humans are imperfect and will always be, maybe our kids will be better due to growing up with them. Hopefully the masks have some positive effect at least. There's never been a question about medical settings. [0]: https://www.youtube.com/watch?v=oUo5O1JmLH0 https://www.youtube.com/watch?v=oUo5O1JmLH0