Sociopolitical and psychological correlates of COVID-19 vaccine hesitancy in the United States during summer 2021 – ScienceDirect

we found that the strongest correlate of vaccine hesitancy was belief in misinformation about the COVID-19 vaccines, though we surmise that this common explanation may be endogenous to vaccine hesitancy. Political beliefs explained more variation in vaccine hesitancy—and in particular, vaccine refusal—after belief in COVID-19 vaccine misinformation was excluded from the analysis.

Source: Sociopolitical and psychological correlates of COVID-19 vaccine hesitancy in the United States during summer 2021 – ScienceDirect