Originally Posted by Robbie

But since the virus is microscopic and travels through your mask like it's not even there, that analogy with liquid isn't even scientifically close.

The ONLY mask that has any efficacy is the N95 medical mask.
It can filter out virus up to 95%

All the little masks that people are running around wearing don't do anything except stop "droplets" (liquid again) when you sneeze.

The virus itself is microscopic and isn't affected at all by the mask.