Into the Night
Verified User
Once again, the dictionary is our friend.
"the ability of an organism to resist a particular infection or toxin by the action of specific antibodies or sensitized white blood cells."
That is what immunity is. That is EXACTLY what the vaccines provide. Truth Detector is a neanderthal caveman who communicates through a series of clicks and grunts. Just ignore him.
Dictionaries do not define any word. False authority fallacy.