May 12 2022
![](https://www.rockefellerfoundation.org/wp-content/uploads/2022/05/minimal-ipad-mockup-in-portrait-position-featuring-a-single-color-background-158-el-24-1440x1061.png)
Trends in barriers, motivators, and attitudes towards vaccination over time: Between July 2021 through December 2021: The top barrier reported by unvaccinated respondents across all cities was being worried …
Health U.S. & the Americas