Can private workplaces require that I receive a COVID-19 vaccine before returning to work? Oct 1, 2021 B Can private workplaces require that I receive a COVID-19 vaccine before returning to work? Yes. Private workplaces can require employees to be vaccinated against COVID-19. Tags: Guidance/Mandates, Workers, Workplaces Category: 02. Vaccines Posted on October 1, 2021 Back to Top