Biden’s Authority to Mandate Vaccines Stems From Law Protecting Workers From ‘Grave Dangers’

President Biden’s far-reaching assertion of presidential authority to require vaccines for 80 million American workers relies on a first-of-its-kind application of a 51-year-old law that grants the federal government the power to protect employees from “grave dangers” at the workplace.

White House officials believe the emergency authority provided by Congress under the Occupational Safety and Health Act of 1970 is a legitimate and legal way to combat the coronavirus pandemic. But they acknowledge that the law’s emergency provisions, which were employed in previous decades to protect workers from asbestos and...