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covered by Medicare, reimbursement rates will differ across states and insurance types, including between Medicaid fee-for-service and managed-care plans (Schwartz et al. 2020). To ensure equitable vaccine access, Medicaid vaccine administration payments must be high enough to create 3 for outreach and to allow providers the time to discuss the vaccines and their risks and benefits with patients.25 Along with time and funding to support patient engagement, providers must be equipped with culturally appropriate communication tools and approaches that help them address patients’ concerns and mistrust, including partnerships with community-based groups (Opel, Lo, and Peek 2021). Additional strategies and funding will be needed to reach the 15 percent of vaccine-hesitant adults who are uninsured and the 24 percent who do not have a usual source of care. In addition to distributing vaccines through community health centers, as noted above, protecting and expanding health insurance coverage and improving access to care during the pandemic could also be key to advancing vaccination efforts. It will also be important to raise providers’ and consumers’ awareness that the vaccines are available to uninsured patients without cost sharing, because of funding available through the Provider Relief Fund established by the Coronavirus Aid, Relief, and Economic Security, or CARES, Act. Data and Methods This brief draws on data from a nationally representative sample of 7,737 adults ages 18 to 64 who participated in the December 2020 round of the Urban Institute’s Well-Being and Basic Needs Survey. The WBNS is an internet-based survey designed to monitor changes in individual and family wellbeing as policymakers consider changes to federal safety net programs. For each round of the WBNS, we draw a stratified random sample (including a large oversample of adults in low-income households) from the KnowledgePanel, a probability-based internet panel maintained by Ipsos that includes households with and without internet access. Survey weights adjust for unequal selection probabilities and are poststratified to the characteristics of nonelderly adults based on benchmarks from the Current Population Survey and American Community Survey. Participants can complete the survey in English or Spanish. For further information on the survey design and content, see Karpman, Zuckerman, and Gonzalez (2018).