Comparison Between Countries With and Without Facemask Policy (IMAGE)
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Predicted average COVID-19 mortality over time in countries with and without facemask laws. Countries with no facemask laws have a lower average daily mortality per million population at baseline compared to countries with a facemask law. The rate of increase of daily mortality per million population is significantly lower in countries with a facemask law compared to the rate of increase in countries without a facemask law. Therefore, over time the average daily mortality per million population of countries with no mask policy surpasses and exceeds the average daily mortality per million population in countries with a mandated mask law.
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American Journal of Preventive Medicine
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