Studies show asymptomatic carriers spread the virus. Everyone should wear masks (and distance, wash hands). It’s a “herd immunity” argument, not just for individuals. Prioritize medical staff. Surgical masks are paper and plastic, make more! Billions of Asians aren’t wrong.
masks are like tests- in a time of scarcity must prioritize us healthcare workers forced into direct contact. Then reserved for the sick so as not to spread infectious particles to bystanders. Finally for asymptomatic people who are not practicing social distancing. Need more!