World health org Dr Tony Fauci & the Surgeon General All agree & state clearly that mask 😷 DONT WORK it literally states this on the side of the box in capital letters we breathe air not oxygen the oxygen in our air is 21% after a few hrs your oxygen rate falls to 17-19% This falls into critical range as u body is receiving to much carbon dioxide which in turns ur blood cells acidic. Acidic cells can turn cancerous. The mask is making u sicker and Mask don't work against covid it any virus.