Masks made 'little to no difference' to Covid infection or death rates, according to one of the most comprehensive meta-analyses of face coverings.The research - carried out by the , the 'gold standard' of evidence-based reviews - looked at 78 global studies involving over a million people.Results indicated that surgical masks reduced the risk of catching 'Covid or a flu-like illness' by just five percent - a figure so low it may not be statistically significant.
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