Masks Work. So What Went Wrong with a Highly Publicized COVID Mask Analysis?

A Harvard professor on the history of science looks at our response to the pandemic, criticizing "a report that gave the false impression that masking didn't help." From Scientific American:The group's report was published by Cochrane, an organization that collects databases and periodically issues "systematic" reviews of scientific evidence relevant to health care. This year it published a paper addressing the efficacy of physical interventions to slow the spread of respiratory illness such as