I think that wearing a mask is good but it is not the silver bullet. Actually any form of physical barrier to stop the transmission will help, including social

I think that wearing a mask is good but it is not the silver bullet. Actually any form of physical barrier to stop the transmission will help, including social distancing (God! I hate that phrase but everyone knows what that means). It is like software development, preventing the cause is much less impacting to our lives than debugging the cause.