35% of people infected with SARS-CoV-2 will show no symptoms. The only way they’d know they were infected is if they happened to get tested during the window when it would show up on a test. Many others will show symptoms so mild they could easily be mistaken for allergies. So with that in mind, how exactly do you know if you’re infected (and need to wear a mask to protect others when you go out) or if you don’t have it?
That’s the point of the guidance: that nobody really knows for certain that they aren’t currently infected with this.
Masks still won’t allow anyone to ride a bus or subway or go to a bar because people touch their mask and then touch other things.
The bottom line is if you think the disease will kill you or someone you have contact with, stay home/avoid the people.
The rest of us can get this disease, and get over it. The sooner everyone gets it, the sooner everything gets back to normal.
because it transfers asymptomatically, it CANNOT be stopped. Masks just prolong the misery.