From personal experience I doubt if true construction union...

From personal experience I doubt if true construction union members would be protesting against getting a jab , considering how regimented the union health care system is for workers and how 99% appreciate that consistency and of thinking of their brothers best interests .
Where I worked in California non union workers were very envious of the health care system that union workers had , I use to get a medical every year in a purpose built truck caravan for free plus free medical care , it puts to shame the state medical program