Some masks could be worse than uselessThere are three basic types of face mask you can buy. Then there is the light, loose surgical mask, made of a type of paper and other fibres. Surgical masks may have a use in preventing this kind of transmission. Surgical masks can, however, stop someone from infecting other sick people. At the Beijing United Family Hospital last week, all visitors were required to wear surgical masks – to protect patients.

Source: Daily Mail February 01, 2020 22:02 UTC