Masks, especially the lousy non-N95 kind we're allowed, are not very effective. But they do have some effect. It's the difference between doing something and doing nothing.
When you take medication or have surgery, you are not guaranteed 100% success. Likewise, masks are not 100% effective. Different studies show different degrees of effectiveness.
Distancing and isolation are the safest measures. We can't always isolate. Use common sense, as you see it.
Masks, especially the lousy non-N95 kind we're allowed, are not very effective. But they do have some effect. It's the difference between doing something and doing nothing.
When you take medication or have surgery, you are not guaranteed 100% success. Likewise, masks are not 100% effective. Different studies show different degrees of effectiveness.
Distancing and isolation are the safest measures. We can't always isolate. Use common sense, as you see it.