In many countries in Asia it was already considered polite to wear a mask if you got sick. Got a cold and coughing everywhere? Wear a mask so your not spewing d

In many countries in Asia it was already considered polite to wear a mask if you got sick. Got a cold and coughing everywhere? Wear a mask so your not spewing droplets all over your coworkers and people at the store. I am hoping that trend continues in the western world but who really knows