In our hamster experiment, it shows very clearly that if infected hamsters or humans -- especially asymptomatic or symptomatic ones -- put on masks, they actually protect other people, thats the strongest result we showed here. Transmission can be reduced by 50 percentwhen surgical masks are used, especially when masks are worn by infected individuals.

Yuen Kwok-yung

Yuen Kwok-yung (Chinese: ???) GBS JP is a Hong Kong microbiologist, physician and surgeon. He is a Fellow of the Royal College of Physicians (Lond, Edin, Irel, HK), Surgeons (Glas, HK) and Pathologists (UK, HK). After years of clinical and laboratory training, he established the infectious disease service and rapid molecular diagnosis for cytomegalovirus and tuberculosis at the Queen Mary Hospital, the teaching hospital of the University of Hong Kong. His major research interest is microbiology and novel microbes in emerging infectious diseases.

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