06/06/2020 (Sat) 08:27:43
I thought everyone in the world knew this already; its plastered on every youtube video concerning the use of face masks. We wear face masks because it tells others that we are at least taking some precautions in preventing the people around us from getting the virus. This helps others trust us more. Course there are more ways to spread the virus but with how easy it is to transfer illnesses through saliva I would rather have the people around me covered.
Not too sure about how reliable face masks are from preventing the people around you from getting sick, but personally I use an industry grade face mask from my last chemical engineering job.