"No statistical difference between the group wearing masks and the group that did not wear them." - Researchers from Copenhagen University Hospital conducted the study in April and May of this year, recruiting over 6,024 volunteers - 6:31 AM 11/19/2020
Large study shows mask-wearing 'not statistically significant' - Technology & Health Thursday November 19 th , 2020 at 6:22 AM A study published on Wednesday in the Annals of Internal Medicine designed to test the efficacy of face mask wearing in protecting the wearer from contracting coronavirus has shown that there is no statistical difference between the group wearing masks and the group that did not wear them. Researchers from Copenhagen University Hospital conducted the study in April and May of this year, recruiting over 6,024 volunteers with no prior coronavirus diagnosis, who were randomly assigned to either a test group or a control group. 4,862 people completed the trial, all people who spent at least three hours per day outside their homes, and who were monitored throughout. The study was conducted at a time when mask-wearing among the Danish population was rare and the government did not mandate it. Stores, public transport, and schools remained fully operat