Masks can do two things; prevent virus coming in and prevent virus going out. Home made cloth masks stop about 2% of incoming droplets, and 30% of outgoing droplets. The logic is that wearing mask reduces spread by the wearer, it does not protect the wearer from becoming infected.
Masks can do two things; prevent virus coming in and prevent virus going out. Home made cloth masks stop about 2% of incoming droplets, and 30% of outgoing droplets. The logic is that wearing mask reduces spread by the wearer, it does not protect the wearer from becoming infected.
This is the entirety of it. Problem is that leftists think that the mask is a magical item that prevents them from getting sick.
Also they love getting to tell others what they should be doing