MSNBC Andrea Mitchell Reports January 13, 2022 17:11:00
Perfume-like floating in the room and we needed to have a very high level of respiratory protection. the world was slow to come to that. today the cdc has been slow to come to that point. so we all agree now i think those who have expertise in this area, you need these very tight face fitting masks that also have breathable. what i mean by that, fit and it's filtration and the way you get fit is like a swim goggle, if it's going to be that tight then you have to have a material that allows the air to move through. cloth doesn't do that. what we now have is these n-95 respirators are a material...
Source: archive.org