Mask Science #4 - Masks less than 1% effective against Covid-19
2 years ago
22.5K
Learn more at: http://www.healthsciencetruth.com/
In this study infection with SARS-CoV-2 occurred in 42 participants wearing masks (1.8%) and 53 control participants without wearing masks (2.1%).
A total of 3030 participants were randomly assigned to the recommendation to wear masks, and 2994 were assigned to control; 4862 completed the study. Infection with SARS-CoV-2 occurred in 42 participants recommended masks (1.8%) and 53 control participants (2.1%). The between-group difference was −0.3 percentage point
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