@MindMining@bitcoinhackers.org ...and the simple fact of the matter is that surgical masks and cloth masks just don't filter out more than 10% to 50% of the very small particles that we currently believe spread COVID-19. Animal studies with much higher filtration %'s still found that a signnificant % of animals got infected. So it's likely that the filtration just isn't good enough to help much in the real world.