Poison Ivy, Jesus, and Leprosy

I'm not a regular church-goer (or even an irregular church-goer) but in preparation for Christmas I do break out our children's Bible and read it to my kids at bed-time, and we were just getting to the verse where Jesus heals the leper when I thought of a way to make this a bit more real for them, so I pointed out that my wife's horrible case of poison ivy was similar to leprosy (perhaps leprosy-lite?) and that it would be nice if Jesus was around to lay hands on mommy and heal her suppurating wounds and then I read them the story and their reactions were ridiculously close to my own thoughts and certainly show that the apple doesn't fall far from the tree: Ian said, "That's not real, that's fake, that couldn't happen," and I told him that we can't be sure because the story is very old . . . but it does seem rather unlikely, and then Alex-- who has never heard me utter these words-- said, "I don't really like stories about crazy diseases because then when I go to bed I start thinking about them and how I might have them," which is exactly how I feel about such stories and the reason I don't read books about medicine . . . but I told him that he doesn't really have to worry about leprosy these days and that poison ivy is a far more pressing matter.