Claim: Mask-wearing cuts Covid incidence by 53%, says global study.
Fact-check: Study doesn't show masks cause 53% drop in Covid risk - Full Fact
Verdict: this isn't what the study says. the study says that mask-wearing was "associated with" a reduction in risk, but that, due to the limitations of the research, "it was difficult for our review to draw a one directional or causal conclusion."
Organisation: Full Fact
Author: Abbas Panjwani
Date published: 2021-11-19T00:00:00