The Biden administration has officially withdrawn a rule that would have required workers at big companies to get vaccinated or face regular COVID-19 testing requirements.

       The Occupational Safety and Health Administration confirmed the withdrawal Tuesday. But the agency said it still strongly encourages workers to get vaccinated.

       In early November, OSHA announced a vaccine-or-test mandate for companies with at least 100 employees. The rule — which would have affected more than 80 million U.S. workers — was originally set to go into effect Jan. 4.

       But numerous states and business groups challenged the rule in court. On Jan. 13, the Supreme Court halted the plan. In a 6-3 ruling, the court’s conservative majority concluded that OSHA had overstepped its authority.

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       “OSHA has never before imposed such a mandate. Nor has Congress,” the court’s majority wrote. “Indeed, although Congress has enacted significant legislation addressing the COVID-19 pandemic, it has declined to enact any measure similar to what OSHA has promulgated here.”

       Politics

       Supreme Court blocks Biden’s vaccine mandate for the workplace

       Justices block President Biden’s requirement that most workers be vaccinated or tested for the coronavirus, but uphold his similar rule for healthcare workers.

       The justices left in place a vaccine mandate for healthcare providers who receive federal Medicare or Medicaid funding. That rule affects 10.4 million workers.

       U.S. corporations have been split over whether to mandate employee vaccinations. United Airlines began requiring vaccines in August; the company says 99% of its workers have been vaccinated or have requested medical or religious exemptions. Tyson Foods, which also announced a mandate in August, says 96% of its workers were vaccinated by a Nov. 1 deadline.

       But other big businesses, including Starbucks and General Electric, scrapped previously announced vaccine mandates for their employees after the Supreme Court’s ruling.

       OSHA indicated that the rule could return in some form. While it is no longer an enforceable standard, it remains a proposed rule, OSHA said. In the meantime, the agency said it will prioritize the healthcare mandate.

       David Michaels, an epidemiologist and former OSHA administrator who teaches at George Washington University, said the agency could consider a new rule that would include other measures designed to prevent the spread of COVID-19 in workplaces, such as requiring face masks, distancing and better ventilation systems.