They need a couple days or more to walk out. Mass boycotts through history provided results.
Also with it demanding treatment with things that work because killing people.
Unions should back them but are they.
Hospital corporates don’t want to pay sick pay or workman’s comp for anyone getting sick which started the idea for flu’s years back. Since they treat the medical system as expendable I doubt it’s fir their health or wouldn’t ignore the growing reports of adverse effects from the vaccines or treatments that work. Bottom line is the money. Just like they get paid more money for putting people on ventilators than for prescribing ivermectin.
Other business are going along with it for two reasons if they give workman’s comp or sick pay but also fir fear of being shut down so many business are also bring coerced into mandating.