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. Author manuscript; available in PMC: 2024 Jun 4.
Published in final edited form as: Health Aff (Millwood). 2024 May;43(5):659–665. doi: 10.1377/hlthaff.2023.00813

Exhibit 5. County-level percent of Medicare beneficiaries receiving Moderna and Pfizer-BioNTech first doses of mRNA vaccine, January 1, 2021–July 31, 2021.

Exhibit 5

SOURCE Authors’ analysis of customer data from CVS Health and Walgreens linked to the 100 percent Medicare Enrollment File. NOTE The denominator consists of the number of Medicare beneficiaries who received an mRNA vaccine for their first dose.