Federal mandates. All contractors and subcontractors are required to have all employees vaccinated by 12/8 or lose future contracts. Most major universities are going to have to do it. There is no exception for having previously had Covid or allowance for testing. Except very certain circumstances that allow for an exemption the shot is the only way to be in compliance. Lawsuits won't work here because they are free to not comply and simply give up all future contracts and lose all current ones at renewal.