急性肠胃炎是一种十分常见的疾病,美国的年发病率约为11.2%。全世界每年约有7千万5岁以下的儿童发生急性腹泻性疾病。大多数急性胃肠道疾病的病因学尚不明了,目前已确立病因的仅约50%。当然,与其他已知病因的传染病一样,这类疾病最可能由病毒所致。近来已报道了几种很明显与肠胃炎有关的病毒性因子,其中最值得注意的是轮状病毒,它是幼儿急性腹泻性疾病的 Acute gastroenteritis is a very common disease with an annual incidence in the United States of about 11.2%. About 70 million children under the age of 5 suffer acute diarrhea every year in the world. The etiology of most acute gastrointestinal diseases is unknown, and only about 50% of the causes have been established. Of course, like other infectious diseases of known etiology, these diseases are most likely caused by viruses. Recently several viral factors have been reported that are clearly associated with gastroenteritis, the most notable of which is rotavirus, which is an acute diarrheal disease in young children