New Study is the First Randomized Trial to Show that Wearing Masks Reduces COVID-19 in a Real-World Setting https://t.co/fOYFheuneg

New Study is the First Randomized Trial to Show that Wearing Masks Reduces COVID-19 in a Real-World Setting https://t.co/fOYFheuneg

— Jas (@jas9) Sep 4, 2021