Mandating masks was associated with a decrease in daily COVID-19 case and death growth
rates within 20 days of implementation. Allowing on-premises restaurant dining was …

The governor of Kansas issued an executive order requiring wearing masks in public
spaces, effective July 3, 2020, which was subject to county authority to opt out. After July 3 …

During March 22–October 17, 2020, 10 sites participating in the COVID-19–Associated
Hospitalization Surveillance Network in states with statewide mask mandates reported a …

Background The novel coronavirus disease 2019 (COVID-19) infected over 5 million United
States (US) residents resulting in more than 180,000 deaths by August 2020. To mitigate …

We extend previous studies on the impact of masks on COVID-19 outcomes by investigating
an unprecedented breadth and depth of health outcomes, geographical resolutions, types of …

Mask wearing has been advocated by public health officials as a way to reduce the spread
of COVID-19. In the United States, policies on mask wearing have varied from state to state …

State policies mandating public or community use of face masks or covers in mitigating the
spread of coronavirus disease 2019 (COVID-19) are hotly contested. This study provides …

Purpose This study investigates the extent to which the Public Mask Mandate, a policy that
requires the use of face masks in public, can protect people from developing COVID-19 …

This work used event study to examine the impact of three policies (shutdowns, reopening,
and mask mandates) on changes in the daily COVID-19 infection growth rate at the state …

SARS-CoV-2 Incidence in K–12 School Districts with Mask-Required Versus Mask-Optional
Policies — Arkansas, August–October 2021 | MMWR Skip directly to site content Skip directly to …