In some parts of Asia, surgical masks became commonplace during SARS epidemic of 2002-2003. https://ift.tt/33f3VUx https://ift.tt/3FuOWTq World New York Times January 14, 2022 at 07:00PMAmericans are just learning what people in East Asia already know about masks.

By Mike Ives from NYT World https://ift.tt/33f3VUx
https://ift.tt/33f3VUx https://ift.tt/3FuOWTq New York Times