COVID-19 vaccination and mask wearing behaviors in the United States, August 2020 - June 2021.
Christopher J FloydGrace E JoachimMatthew L BoultonJonathan L ZelnerAbram Luther WagnerPublished in: Expert review of vaccines (2022)
Mask wearing decreased after mask guidelines were relaxed, with consistently lower mask wearing among the unvaccinated, indicating a reluctance among the unvaccinated to adopt COVID-19 risk reduction behaviors.