毛细支气管炎(以下简称毛细支)是婴幼儿时期(特别是小婴儿)的常见病与多发病,每年冬春在西安地区均有散发或流行,本病以喘憋为主,故常严重地影响婴幼儿的健康。毛细支病毒病因多样,为了给临床尽早提供病原学诊断依据,以便及时隔离患儿和进行中西医结合防治,我们于1982年冬—1984年春对入院诊断的76例毛细支患儿以间接免疫荧光法 Bronchiolitis (hereinafter referred to as the capillary branch) is infants and young children (especially the baby) common and frequently-occurring disease, winter and spring are distributed in Xi’an each year or epidemic, the disease to wheeze-based, often seriously affect Infant health. In order to provide the basis for pathogenic diagnosis as soon as possible in order to timely isolation of children and prevention and treatment of Integrative Medicine, we in the winter of 1982 - 1984 spring on admission diagnosis of 76 cases of capillary children with indirect immunofluorescence law