USPS Workers ARE Part of the Federal Vaccine Mandate "A Washington Post reporter on Thursday night corrected a report claiming that U.S. Postal Service workers – a group of about 650,000 people – would be exempt from President Biden’s executive order calling for federal employees to be vaccinated against the coronavirus. "JUST IN: White House official now says USPS workers ARE part of the federal vaccine mandate order under OSHA jurisdiction, though technically not under the executive order," Post reporter Jacob Bogage wrote on Twitter."