Re:U.S. Hits Record Daily Death Toll, with Worse Likely to Come
by EliRivers on Thursday December 03, 2020 @11:08AM
(#25290273)
standard practice control group of health workers
Would not standard practice be to wear proper masks?
Yes, here we go: "some subjects in the control arm wore surgical masks." And indeed, someone comments "The control arm had less than 1% of no mask use".
Would not standard practice be to wear proper masks?
Yes, here we go: "some subjects in the control arm wore surgical masks." And indeed, someone comments "The control arm had less than 1% of no mask use".