They apparently put a number of odd things in the "vaccine," which seems not to confer immunity to anything, and may even increase susceptibility to COVID infection.
I think we’re still at the stage where the official view is still: “Perhaps some of Dr. Mengele’s methods are unorthodox, but the man is doing good work, and he is advancing science in remarkable ways.”
It’s really only after the war that everyone looks up and says, “Monsters! Why didn’t we see it??”