Big hospital chains like The Cleveland Clinic and HCA Healthcare have decided to revoke their vaccination requirement for healthcare workers until the courts sort out if the federal mandate will go into effect. Although, many hospitals that enforced an early mandate already have high numbers of vaccinated workers. The American Hospital Association said they don’t think most hospitals are changing their mandates.
See "Big hospital chains put a halt to vaccine mandates for workers", Reed Abelson, The New York Times, December 14, 2021