LOL, Double Masks Do The Trick

Problem with masks is they trap 100% of respiratory aerosols that carry ~0% of virus (>5 micron)

The aerosols that matter--that carry 90% of the virus--are in the same range as CIGARETTE smoke.

See how well that well-fitted double-mask works trapping it? Not at all. pic.twitter.com/T9AEAqnmwz

— Emily Burns😊 #SmilesMatter DM’s OK (@Emily_Burns_V) April 14, 2021

 -RW