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“Participants in the intervention arm were assigned to wear a #surgical face #mask in public spaces (eg, shopping centres, streets, public transport) over a 14 day period (mask wearing at home or work was not mentioned). Participants in the control arm were assigned to not wear a surgical face mask in public places.” https://mstdn.social/@erictopol/112843932849104927
Mastodon 🐘Eric Topol (@erictopol@mstdn.social)Attached: 1 image
Masks work. Again. New Randomized trial
https://www.bmj.com/content/386/bmj-2023-078918
“163 events (8.9%) of self-reported symptoms consistent with respiratory infection were reported in the intervention arm and 239 (12.2%) in the control arm. The marginal odds ratio was 0.71 (95% confidence interval (CI) 0.58 to 0.87; P=0.001) favouring the #FaceMask intervention.”