对象及方法: 本组年龄最小3月,最大12岁。男25名,女18名。43例患儿均是以喘息、气促为辜症,胸片为支气管炎改变的下呼吸道感染。25例应用病毒唑治疗以每日10～15mg/kg加入10％G·S液以1mgG·S含1mg病毒唑浓度进行静脉滴注;17例为对照,以常用的青霉素、氨苄青霉素、新青霉素Ⅱ、先锋霉素V等静脉给药抗感染,二组均予以相同的支持及对症治疗。 Subjects and methods: The group is the youngest in March, maximum 12 years old. 25 males and 18 females. 43 cases of children are wheezing, shortness of breath for the treatment of AIDS, chest X-ray bronchitis is a change of lower respiratory tract infection. 25 cases of ribavirin treatment with daily 10 ~ 15mg / kg by adding 10% G · S liquid 1mgG · S containing 1mg ribavirin intravenous infusion; 17 cases as a control, commonly used penicillin, ampicillin, penicillin Ⅱ, Vanguard ADM and other intravenous anti-infection, the two groups were given the same support and symptomatic treatment.