Mask mandate and use efficacy in state-level COVID-19 containment

Authors: Damian D. Guerra, Daniel J. Guerra doi: https://doi.org/10.1101/2021.05.18.21257385 Abstract Background Containment of the COVID-19 pandemic requires evidence-based strategies to reduce transmission. Because COVID-19 can spread via respired droplets, many states have mandated mask use…[...]