A stool sample is obtained to test for a rotavirus infection. Rotavirus is the most common cause of infectious diarrhea in children. Children 3 months to 2 years old have the most severe symptoms.
Review Date 4/10/2018
Updated by: Michael M. Phillips, MD, Clinical Professor of Medicine, The George Washington University School of Medicine, Washington, DC. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.