病毒性肠炎是小儿常见病之一,每年秋季开始流行,常常延续至冬季,1岁半左右的小儿发病,多为轮状病毒感染,其发病率可占感染性腹泻的80％,另外星状病毒也是婴儿腹泻的一种病原体。发病机理:轮状病 Viral enteritis is one of the common diseases in children. It begins to fall from the beginning of each year and often extends into winter. The incidence of children with rotavirus infection is about 1 year and a half. The incidence rate can account for 80% of infectious diarrhea. The virus is also a causative agent of infant diarrhea. Pathogenesis: Rotavirus