Comment That's not how that works. (Score -1) 391
You are no less likely to get a virus if only 20 get on you versus 100. Viruses reproduce. As long as one gets into your system, you may get sick. Now, you immune system may protect you, or it may not. That isn't a function of how many of the virus gets into your system, but rather or similar virus having been seen before.
This is why the studies that have been down on mask effectiveness in actual use show very tiny differences versus not wearing a mask.
In theory, there is no difference between theory and reality. In reality there is.