How do you qualify to give vaccinations?

I’m a little phobic about getting shots and I know they want you to get them at pharmacies now. I went into CVS with the intent to get one of the three shots I need – or get on the waiting list for Shingrix. The lad who helped me had no people skills, have given someone the wrong info about the cost of a med and was taking a long time to get to me for the shot after taking my info. I decided to walk out and told him I would come back when they were less busy.

So, my question is – do I really want this guy who is clearly not a pharmacist to give me a shot? Or do I try someplace else? Anyone know how they qualify to do it?

Put in General.