sars outbreak

History of the mask
Pandemic SARS, bird flu, Ebola and most recently corona virus and the increase of air pollution, fine dust make masks an indispensable item when on the road.
Wuhan pneumonia resembles 70% of SARS
The nCoV virus is similar to the Corona virus that causes SARS, but the mortality rate is about 1% and progresses slowly while SARS dies 10%, progressing faster.