Gosh, yes. That's a pretty ◊◊◊◊◊◊◊ big clue that yes, he does indeed have Covid again, and the doctors have had to explain to him what medication they intend to use and why. So he's been given a quick presentation on what the science says they should use, i.e. medicine that actually works and not whatever fairy magic RFK Jr is pushing instead.
So now he's all confused and annoyed that RFK Jr has been telling him one thing while literally the whole of science and medicine is now telling him the reverse.