wearing face masks for an extended time will cause insufficient oxygen intake and even poison users with excess carbon dioxide (co2).
wearing face masks for an extended time will cause insufficient oxygen intake and even poison users with excess carbon dioxide (co2).
xinhua correct rumor that wearing masks causes co2 poisoning
rumor buster: wearing masks will cause co2 poisoning?

















































creates fear that a mask causes co2 poisoning
xinhua
coronavirus, wearing, masks, co2, poisoning