52 reactions · 24 shares | "Little to no evidence" of the effectiveness of masking was discovered across 78 masking studies in a review by the Cochrane Library. Those who initially spoke out against masking policies were shut down, drowned out, and canceled. More info: https://www.kusi.com/study-face-masks-made-little-to-no-difference-in-preventing-spread-of-covid/ | KUSI News | Facebook

A recent Cochrane Review is being used as evidence that masks are not effective at preventing transmission of SARS-CoV-2 but there are several limitations to the study. This is a meta-analysis which is a study design that combines data from multiple studies and re-analyzes them in an attempt to increase sample size and statistical power. However, the quality of the meta-analysis hinges upon both the quality of the studies being included, as well as their comparability. If you combine studies tha