11 There are ZERO randomized, controlled trial data—the gold-standard for medical evidence—supporting community masking for the prevention of resp viral infections, incl SARS-CoV-2, in adults or children. ZERO! (twitter.com) posted 4 years ago by axolotl_peyotl 4 years ago by axolotl_peyotl +11 / -0 1 comment share 1 comment share save hide report block hide replies