When people wear face masks to reduce the spread of the coronavirus, the number of new COVID-19 infections drops by 53%, according to a new study -- with experts calling it the most effective tool against the coronavirus.
were also effective at lowering the number of cases, but wearing masks was the most effective tool against the coronavirus.
Among six studies that looked at mask wearing, the researchers found a 53% reduction in COVID-19 cases. In the broader analysis with additional studies, wearing a mask reduced coronavirus transmission, cases and deaths. Among five studies that looked at physical distancing, the researchers found a 25% reduction in the rate of COVID-19. A study in the U.S. showed a 12% decrease in coronavirus transmission, while another study in Iran reported a reduction in COVID-19 mortality.
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