1. Vaccine Could Cut Bouts With Stomach Flu
Controlling quickly mutating noroviruses might mean yearly changes in formula

2. Viral gastroenteritis : Calling your health care provider  (Trust Mark: Doctor-Reviewed)
Call your health care provider if diarrhea persists for more than several days or if dehydration occurs. You should also contact your doctor if you or your child have these symptoms: Blood in the stool; Confusion; Dizziness; Dry mouth; Felling fai...• Reviewer: David C. Dugdale, III, MD, Professor of Medicine, Division of General Medicine, Department of Medicine, University of Washington School of Medicine; George F. Longstreth, MD, Department of Gastroenterology, Kaiser Permanente Medical Care Program, San Diego, CA. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.