New study shows coronavirus cases could be reduced by as much as 80% if people wore masks.

The study showed wearing a mask combined with social distancing stops the spread of the coronavirus.
UC Berkley’s International Computer Science Institute and Hong Kong University of Science and Technology, wearing masks can cut the incidence of cases by as much as 80%.
In Japan, where wearing a face mask is not just socially acceptable, but fashionable, businesses were never forced to close. Japan as a 243/1M ration of cases vs. the US rate of 4,327/1M.