1/ This is quite the paper on masks, published in @BMJ_Open in 2015: a randomized trial (the gold standard, yadda yadda) of 1600 health-care workers showed those wearing masks were 6 times (!) as likely to have flu-like illnesses as those in the control group after 4 weeks… pic.twitter.com/pst5aw9b0C
— Alex Berenson (@AlexBerenson) July 8, 2020