They help if you are wearing on and you sneeze and/or cough. Just like washing your hands often.
It’s a tool to use for your own protection, just like washing. I personally don’t want to be a carrier and spread it to others. I would at least like to lessen the impact of my self being transferring any germs. Yes. There are still germs! Nothing man made is 100%!!
But it is a tool like so many others that a person could use. Why is this so hard for people to understand?
The point is to lessen the chances for everyone, not a me- me -me mentality.
Again, nothing man made has ever been 100%.
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