“It finds that the association between hesitancy and education level follows a U-shaped curve with the highest hesitancy among those least and most educated. People with a master’s degree had the least hesitancy, and the highest hesitancy was among those holding a PhD.

In addition, while the lowest educated saw the largest drop in vaccine hesitancy for the first five months of 2021, those with PhD’s were the most likely to not change their minds."