“…Figure 2 shows the trend of COVID-19 vaccine acceptance rates in the US from 17 nationally representative samples. ( Mercadante and Law, 2021 , Agley et al, 2021 , Daly and Robinson, 2021 , Szilagyi et al, 2021 , Ruiz and Bell, 2021 , Romer and Jamieson, 2020 , Fisher et al, 2020 , Roozenbeek et al, 2020 , Malik et al, 2020 , Latkin et al, 2021 , Callaghan et al, 2021 , Allen et al, 2021 , Viswanath et al, 2021 , Coe et al, 2021 , Berg and Lin, 20212021 , Tram et al, 2021 , King et al, 2021 ) COVID-19 acceptance was defined as already receiving at least one dose of the vaccine, definitely or probably getting it when available. Ten nationally representative studies were excluded from the figure due to the lack of survey period or inconsistent measurement of vaccine acceptance.…”