轮状病毒(rotavirus,RV)是婴幼儿重症腹泻的主要病原。无论在发达国家还是发展中国家,婴幼儿RV感染都是比较普遍的。Parashar等的研究报告证实每年1.1亿腹泻患者需要家庭护理,2.5亿需要门诊治疗,200万需要住院治疗,引起352 000～592 000小于5岁儿童死亡〔1〕。根据位于曼谷 Rotavirus (RV) is the major cause of severe diarrhea in infants and young children. RV infection in infants and young children is more common in both developed and developing countries. A study by Parashar et al. Confirmed that 110 million diarrhea patients need home-based care each year, 250 million require outpatient care and 2 million need hospitalization, resulting in 352,000-592,000 children less than 5 years of age [1]. Located in Bangkok