The so-called “Danmask-19 Trial,” published November 18, 2020, in the Annals of Internal Medicine, included 3,030 individuals assigned to wear a surgical face mask and 2,994 unmasked controls. Of them, 80.7% completed the study.
To qualify, participants had to spend at least three hours per day outside the home and not be required to wear a mask during their daily work. At the end of the study, participants reported having spent a median of 4.5 hours per day outside the home.
For one month, participants in the mask group were instructed to wear a mask whenever they were outside their home. Surgical face masks with a filtration rate of 98% were supplied. In accordance with recommendations from the World Health Organization, participants were instructed to change their mask after eight hours.
Antibody
testing was performed before the outset and at the end of the study
period. At the end of the month, they also submitted a nasal swab sample
for PCR testing....<<<Read The Full Article Here>>>...
