Weird. I've got a number of "Eew, that isn't right" symptoms of being sick, except that I feel fine. That ever happen to you?
EDIT: Scratch that. Head. Tonsils. How many times am I going to rue not having my tonsils out with my adenoids when I was a kid? Sent a note out to the Harrises and Lloyds to watch out for similar ickiness with the kids, as I'd been around them only 36 hours earlier (and really, the symptoms started last night), just in case I'd caught it from them or infected them.