1988年2月～4月间,我们从山西省儿童医院和山西医学院第一附属医院收集流行性喘憋性肺炎住院患儿标本,用免疫荧光技术测定99例为呼吸道合胞病毒感染(RSV)。发病年龄最小33天,最大为4岁,6个月之内占43.43％,男性高于女性。抗性效价恢复期较急性期升高4倍～128倍。病例呈散在分布,发病高峰在4月份,大都有喘憋、咳嗽、发热症状,有明显接触史。 From February to April 1988, we collected infants with epidemic pneumonia inpatients from Shanxi Provincial Children’s Hospital and the First Affiliated Hospital of Shanxi Medical University, and detected 99 cases of respiratory syncytial virus infection (RSV) by immunofluorescence technique ). The minimum age of onset is 33 days, the maximum is 4 years old, 43.43% within 6 months, and the male is higher than the female. The recovery of resistance titer was 4 times to 128 times higher than that of acute phase. The cases were scattered, the peak incidence in April, most have wheezing, cough, fever symptoms, there is a clear history of exposure.