A review of thousands of studies by the Royal Society finds that public health measures such as social distancing and masks unequivocally reduce the spread of #COVID infections. Notably, non-pharmaceutical interventions are most effective when used in combination.
https://www.theguardian.com/world/2023/aug/24/lockdowns-face-masks-unequivocally-cut-spread-covid-study-finds
https://www.theguardian.com/world/2023/aug/24/lockdowns-face-masks-unequivocally-cut-spread-covid-study-finds
Lockdowns and face masks ‘unequivocally’ cut spread of Covid, report finds
Royal Society review looks at non-pharmaceutical interventions when applied in packages of several measuresGuardian staff reporter (The Guardian)