Best available evidence supports physical distancing and wearing face masks
A new meta-analysis, which brings together a significant amount of research on SARS-CoV-2 and related coronavirus protection, provides the best available evidence for physical distancing, mask use, and eye protection.
Until randomized controlled trials are conducted and can offer a greater degree of certainty, this study, which appears in The Lancet, provides doctors and policymakers with interim information on which to base key decisions.