Don't be obtuse. Tell me what you mean by immunity vs. prophylaxis.
And you enter into a conversation without the knowledge of the basic concepts contained there-in.
You’re now at the point of throwing shit on the wall to see what sticks.
Your plea is a misdirection and an attempt to set up a streawman.
No Takers, shill
(I continue to ping others because of their known interest in this type of conversation.)