Experts say employers can require vaccinations after ruling in Houston Methodist case A failed lawsuit over vaccination requirements for employees could have bigger implications for other employers. A failed lawsuit over vaccination requirements for employees could have bigger implications for other employers. A judge tossed out a lawsuit against Houston Methodist Hospital over its vaccine requirement for employees, saying the hospital has a right to require employees be vaccinated. The plaintiffs in this case say they plan to appeal - but in the meantime - both private and public employers can continue to require vaccinations. "This is a major legal decision, and it gives employers the green light to require vaccination, require masks, and implement other health and safety measures," said Rogge Dunn, business & employment attorney.