My 16yo nephew has been home from school for 2.5wks, profound fatigue, nausea, dizziness, anorexia (weight down 6 lbs), green stools (not diarrhea). Myriad of lab work is wnl (mono spot, ebv, cmv, cbc). Abd pain. No vomiting. Had H1N2 in Oct with post H1N1 pneumonia following. Very healthy teen-cross country runner, no substance abuse.