Studies of Surgical Masks Efficacy: Masks are useless in preventing the spread of disease (even during surgery)
Masks are useless in preventing the spread of disease and, if anything, are unsanitary objects that themselves spread bacteria and viruses.
https://jamesfetzer.org/2020/08/studies-of-surgical-masks-efficacy-masks-are-useless-in-preventing-the-spread-of-disease/