indeed, cloth masks are useless.
CDC on masks 2019.
>https://pubmed.ncbi.nlm.nih.gov/16490606/
every time i see a gathering of the mask wearing tribe, i ache with contempt!!!
screen shot from Still Report, anon last bread posted it. still (no pun intended) digging for original pdf of this doc, but haven't found it yet.
SEEMS LIKE IT