Remember June 6. If you hurt or threaten them then they have won. They are not in the health business, they are in the compiling an enemies list business.
Ask for ID and take a picture of them and the ID. Say you do it whenever a stranger is in the neighborhood. Tell them you have all the info you need already and they should move on.
Do you mean January 6th?
I think throwing a Wrench in the machine is a good Idea also. Say “Your records and Obviously Wrong, I got my vaccine.”
I hope people understand this and take it to heart. Just say you’re not interested and answer NO questions. Don’t try to argue with them.