Canadian study finds COVID measures were effective in reducing cases, hospitalizations, mortality rate | Globalnews.ca
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The results show that wearing a mask led to a reduction of 2.76 cases per 100,000 people, and a 0.19 per cent reduction in the mortality rate worldwide.

The results show that wearing a mask led to a reduction of 2.76 cases per 100,000 people, and a 0.19 per cent reduction in the mortality rate worldwide.