DeMarcus Hicks, a recent graduate of nursing school who is working as a contractor with the Federal Emergency Management Agency, gives a person a Pfizer COVID-19 vaccine booster shot, Dec. 20, 2021, in Federal Way, Wash. A federal appeals court in New Orleans on Monday, Oct. 3, 2022, became the latest to hear arguments on whether President Joe Biden overstepped his authority with an order that federal contractors require that their employees be vaccinated against COVID-19. (AP Photo/Ted S. Warren, File)