> Villages where cloth masks were distributed experienced a 5 percent reduction in symptoms, while villages where surgical masks were distributed saw a reduction of 12 percent.
Also: this is a specific set of circumstances with many variables.
“This study has several implications for policy-makers. First, there is clear evidence that community mask-wearing can reduce COVID-19. The effects were substantially larger in communities where surgical masks were distributed, consistent with greater filtration efficiency measured in laboratories, and surgical masks reduced 1 in 3 symptomatic infections among individuals aged 60+.”
> Villages where cloth masks were distributed experienced a 5 percent reduction in symptoms, while villages where surgical masks were distributed saw a reduction of 12 percent.
Also: this is a specific set of circumstances with many variables.