Yes, it's an odd bug alright. I went to the doctor's yesterday, and she said that it may have started out as a virus, but now I have an inflammation of the stomach lining--so, an unpleasant complication. I've been given tablets to take, possibly for the next six weeks. They haven't started working yet (I'm only four pills into it), but I've decided I'd better eliminate any difficult-to-digest foods from my diet for the next several days. I was in agony the night before last, and I can't go through that again!
I hope your six year-old is feeling better, Little_Evo. And that's bad luck, getting it twice, Leah! Take care.