Furthermore, some 52 studies—all available on NIH’s website—find that ordinary masking (using less than an N95 respirator) doesn’t reduce viral infection rates, even—surprisingly—in institutional settings like hospitals and surgical theaters.6,7 Moreover, some 25 additional studies attribute to masking a grim retinue of harms, including respiratory and immune system illnesses, as well as dermatological, dental, gastrointestinal, and psychological injuries.
