FlyerTalk Forums - View Single Post - Sneezing, coughing, nose blowing..... Symphathy or disapproval?
Old Dec 15, 2012 | 3:10 am
  #5  
1010101
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Join Date: Feb 2011
Posts: 5,797
Originally Posted by SteveF
Didn't doctors say they are useless for blocking viruses during one of the bird flu scares?
Pretty much useless I believe at stopping the wearer catching anything, but very effective for catching outgoing cough droplets and stopping the spread.
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