婴幼儿病毒性胃肠炎是世界各地婴幼儿普遍流行的一种急性传染病,发病率高,传播快,危害大,患者常有腹泻、腹疼、呕吐、恶心、低烧、厌食、头痛、肌痛等临床表现,重者和虚弱婴儿则可引起死亡。由于这种疾病能引起患儿的营养吸收障碍,一定程度上会增加婴幼儿营养不良的发病率。据报道此病在美国的发病率仅次于普通感冒, Infant and young child viral gastroenteritis is a kind of acute infectious disease prevailing in infants and young children all over the world. It has high incidence, rapid spread and great harm. Patients often have diarrhea, abdominal pain, vomiting, nausea, fever, anorexia, headache, muscle Pain and other clinical manifestations, severe and infirm infants can cause death. Because of this disease can cause nutritional imbalance in children, to a certain extent, increase the incidence of malnutrition in infants and young children. It is reported that the incidence of the disease in the United States is second only to the common cold,