Yes, if the person is already sick. But shallow breathing is not good
I beleive it is yes, yes, no, yes
In the bathrooms of the place they works or in any allocated area. Another good idea is to bring hand sanitizer to use between washes!
Hope this helps! Please make me the brainliest, it’s not necessary but appreciated, I put a lot of effort and research into my answers. Have a good day, stay safe and stay healthy.