Surgical masks check coronavirus infection. What else do they do?
Do they slow child development? A growing body of evidence suggests they might, says Josei 7 (Feb 10).…
Children who wear face masks all the time see their marks go down 20%
Surgical masks check coronavirus infection. What else do they do?
Do they slow child development? A growing body of evidence suggests they might, says Josei 7 (Feb 10).…