Am Neumarkt 😱 - https://www.pnas.org/content/early/2020/12/02/2015954117Oh Hi, it's you, Mask. Or social distancing?

12:39 · Dec 4, 2020 · Fri

https://www.pnas.org/content/early/2020/12/02/2015954117

Oh Hi, it's you, Mask. Or social distancing?

Face masks considerably reduce COVID-19 cases in Germany | PNAS

We use the synthetic control method to analyze the effect of face masks on the spread
of COVID-19 in Germany. Our identification approach exploits ...

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