Disliked{quote} please go and read the actual articles of reference 33,9,10, for instance it is a very good point, because it said ”Most studies were underpowered because of limited sample size, and some studies also reported suboptimal adherence in the face mask group.” the main drawback of too small for effective sample size is insignificance of statistics On the other hand, the number of publications on analytical performance of masks to prevent aerosol spreading is also sizeable. Feel free to look up them by searching “face mask aerosol pubmed”. One...Ignored
Though they all recommend protective measures regardless of outcome, hand and surface cleaning, coughing into a cloth, etc...
Apparently this subject has had some studies for a number of years as far back as 1980's
From all the studies the numbers do not qualify a response for or against but is more opinion leaning.
MY GRID. Markets are NOT random.