>In Asia people like already own masks. A mask is a biohazard and should be one-use or sterilised and removed with gloves. If you do that then yes a mask is a

>In Asia people like already own masks. A mask is a biohazard and should be one-use or sterilised and removed with gloves. If you do that then yes a mask is a help. If not you are playing Russian roulette with a Corona bomb on your face. It is amazing how much energy users on HN use on talking and discussing mask use and still don't understand why a mask used wrongly is worse than no mask. Walking around town collecting germs and bringing them home with you is the mindset you need to be in if masks should be a good idea and safe.