Data from a monthly survey by NRC Health (National Research Corporation) outlines the most prevalent vaccine-related concerns among Illinois health consumers from November 2020 to March 2021. The survey includes a stated concern about vaccination-related costs, phrased as, “It will likely be too expensive.” NOTE: Over the course of the five monthly survey periods, the sample size was between 908 and 1,416 with an error range of 2.6% to 3.25%.