Abstract
Face masks help control transmission of COVID-19
Highlights
In their paper on self-reported face mask wearing and control of severe acute respiratory syndrome corona virus 2 (SARS-CoV-2) transmission in the US, Rader and colleagues[1] showed an elegant ecological analysis of data from across the US, estimating the effect of face mask use on the transmission of COVID-19 infection
Face mask mandates have been divisive in many countries
The face mask debate has been compli cated by the two modes by which wearing a mask affects transmission: masks might protect the wearer from infection or masks might prevent the wearer transmitting the virus, if infected
Summary
In their paper on self-reported face mask wearing and control of severe acute respiratory syndrome corona virus 2 (SARS-CoV-2) transmission in the US, Rader and colleagues[1] showed an elegant ecological analysis of data from across the US, estimating the effect of face mask use on the transmission of COVID-19 infection. The face mask debate has been compli cated by the two modes by which wearing a mask affects transmission: masks might protect the wearer from infection or masks might prevent the wearer transmitting the virus, if infected.
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