2 ms·

>whereas you can protect yourself with FFP2/FFP3/N95/P99/... You can, but there is a procedure that 95% of people fail to follow.

• aredox 2y ago
  That procedure (I guess you speak about fit tests, especially with a dust of saccharin) is important when you need to be 100% sure to be protected, such a dealing with with ebola or equivalent; but even a badly fitted mask will reduce the inhaled dose and improve the chances to develop a benign infection.
• katdork 2y ago
  and that's a matter of messaging and education!