Research ReportCRS ReportVersion 4
R46913
FDA Approval of the Pfizer-BioNTech COVID-19 Vaccine: Frequently Asked Questions
Published Sep 29, 2021Updated Jun 21, 2025
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The Congressional Research Service is a nonpartisan policy and legal analysis arm of the Library of Congress. CRS reports are written for members of Congress and their staff, not the public — but they’re made available openly through Congress.gov.