Supreme Court to Hold Special Session on Biden Vaccine Rules (1)

The U.S. Supreme Court said it would hear arguments on an expedited basis on President Joe Biden’s Covid-19 shot-or-test rule for large employers and his separate vaccine mandate for health-care workers.

The justices will hear both cases at a special Jan. 7 session, weighing whether to let the rules take effect in the face of a barrage of legal challenges. The cases will test the power of the federal government to tackle a pandemic that has killed more than 800,000 Americans.

The more sweeping clash involves an emergency Occupational Safety and Health Administration rule that requires employers with 100 ...