Face masks were ineffective at stifling the outbreak.
Virus size -> 400nm to 3000nm
Spore size -> 4000nm to 20000nm
10x larger particle size and the masks still don't work. Hmmmmm
> Face masks were ineffective at stifling the outbreak.
Virus size **->** 400nm to 3000nm
Spore size **->** 4000nm to 20000nm
10x larger particle size and the masks still don't work. Hmmmmm
(post is archived)