So is your mouth, without a mask. And if they "trap" the bacteria as you say - then that's why i wear one - so no one else's germs get into my mouth and nose. Like DUh - doesn't anyone on substack understand physics?
So is your mouth, without a mask. And if they "trap" the bacteria as you say - then that's why i wear one - so no one else's germs get into my mouth and nose. Like DUh - doesn't anyone on substack understand physics?
So is your mouth, without a mask. And if they "trap" the bacteria as you say - then that's why i wear one - so no one else's germs get into my mouth and nose. Like DUh - doesn't anyone on substack understand physics?
Doesn't anyone understand Immunology?
Um, one needs to know physics, chem and Bio to know Immunology - and still...