Actually, it sounds very logical: if a thin layer of paper over your mouth and nose is to help against infection with a virus, a barrier made of thick material should be much more effective, right? Unfortunately, this is not the case – and anyone who feels so safe behind his scarf that he throws away the rules of distance and caution risks being infected immediately. In the video you can see why your scarf cannot protect you – but it is still very helpful if you cover your face.
Scarf over your mouth and nose: that's why it's a good idea now
