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COVID-19 Vaccination Requirements: Potential Constraints on Employer Mandates Under Federal Law

Published Feb 10, 2021Updated Jun 21, 2025

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.

COVID-19 Vaccination Requirements: Potential Constraints on Employer Mandates Under Federa… — Informed