…a priest, an imam(or guru/monk–etc) and a rabbit walk into a hospital. I’m a Type-A says the priest, AB says the Imam, rabbit looks around and says… I think i’m a typo.

It would, lol, but I was going for the lowest common denominator on this one. The “omg dad, that is the stupidest joke I have ever heard” dad joke, rather than the extended pun kind. But maybe I should work up a blood bank version, for those who want juicier content.