That was my point. This busybody may have thought she was doing a good deed but is actually doing harm. It’s a cotton mask which provides no protection but. is he thinks he needs to wear it to not hurt her feelings. People need to mind their own damn business
True on the N95s although most people if they get one don’t wear them appropriately. I’m good for about 15 min tops. Then add a full face shield and it’s even more difficult/
Not true. A double layer of cotton sheet stops 96% of particles in the 6 micron (respirable) range.