1538 if masks work, why haven't they worked? posted 64 days ago by ff76 64 days ago by ff76 +1538 / -0 its coming up on a year now 113 comments share 113 comments share save hide report block hide child comments Comments (113) sorted by: top new old worst You're viewing a single comment thread. View all comments, or full comment thread. ▲ 7 ▼ – ff76 [S] 7 points 64 days ago +7 / -0 https://apps.who.int/iris/bitstream/handle/10665/332293/WHO-2019-nCov-IPC_Masks-2020.4-eng.pdf?sequence=1&isAllowed=y search "social and psychological acceptance" permalink save report block reply
https://apps.who.int/iris/bitstream/handle/10665/332293/WHO-2019-nCov-IPC_Masks-2020.4-eng.pdf?sequence=1&isAllowed=y
search "social and psychological acceptance"