16 Wearing a used mask could be worse than no mask amid COVID-19: study (nypost.com) posted 121 days ago by Grady_Wilson 121 days ago by Grady_Wilson +16 / -0 12 comments share 12 comments share save hide report block hide child comments Comments (12) sorted by: top new old worst You're viewing a single comment thread. View all comments, or full comment thread. ▲ 1 ▼ – Serioussurfaholic 1 point 121 days ago +1 / -0 Nice simple study, quite well constructed. permalink save report block reply
Nice simple study, quite well constructed.