PNAS,
Mandatory face mask use in Germany may have reduced new #COVID19 infections by 45%: http://ow.ly/WvQd50CLxD6 Forbes PNAS article…
Mandatory face mask use in Germany may have reduced new #COVID19 infections by 45%: http://ow.ly/WvQd50CLxD6 Forbes PNAS article…
"20 d[ays] after becoming mandatory face masks [decreased COVID-19] infections by around 45% [in Jena, Germany]. As economic…
Major study in Germany shows that facemask mandates (must be worn in public places) reduced the number of new infections by 45…
In Germany, regions that mandated the use of face masks in public spaces reduced the number of new #COVID19 infections by 45…
https://www.pnas.org/content/early/2020/12/02/2015954117