Wearing a face mask can reduce coronavirus transmission by up to 75 percent, study says
https://healthell.blogspot.com/2020/05/wearing-face-mask-can-reduce.html
Wearing a face mask can reduce coronavirus transmission by up to 75 percent, study says
Researchers on Sunday found that wearing surgical masks can significantly reduce the rate of airborne COVID-19 transmission, amid a debate over the effectiveness of wearing them during the coronavirus pandemic.
