Boom’s vaccine mandate is among only a handful issued by health-care institutions in America. Bridges says she’s willingly submitted to “every vaccine known to man,” but believes the coronavirus vaccines need further study. And the courts have generally given governments broad latitude during a public health emergency to take drastic steps that health authorities say will save lives. That imperative appeared to be reflected in December guidance from the Equal Employment Opportunity Commission that many interpreted as a signal that employers can mandate coronavirus vaccines, with some limits. “Whatever you want to call them, ‘passport’-like requirements are happening,” Studdert added, referencing colleges’ growing efforts to mandate coronavirus vaccinations.