Whiteman A, Wang A, McCain K, Gunnels B, et al. Demographic and Social Factors Associated with COVID-19 Vaccination Initiation
Among Adults Aged >/=65 Years - United States, December 14, 2020-April 10, 2021. MMWR Morb Mortal Wkly Rep 2021;70:725-730.
PMID: 33983911