A 2021 study published in the British Medical Journal, found that due to widespread use of masks, the number of new COVID infections dropped by 53%. The study confirmed that personal protective and social measures, including handwashing, mask wearing, and physical distancing are associated with reductions in the incidence COVID and concluded that of all measures, wearing masks was the most effective one.Another 2022 study published in JAMA Network found that among mong 431 SARS-CoV-2 cases and 966 contacts with conclusive SARS-CoV-2 test results the infection rate rose to 26% if the infected person, their contact, or both were unmasked but dropped to about 13% if both were masked.READMORE