小儿哮喘,特别是5岁以下者,被认为大半系外因所致,即由感冒或其他呼吸道感染、气候变化或情绪波动所致。为了研究有临床症状的呼吸道感染和哮喘发作的关系,作者曾自1971年5月26日到1972年5月25日密切观察了16名内源性哮喘患儿。这些患儿均经仔细选择,男孩13人和女孩3人,年龄自3岁到11岁,于最近1年内均曾有4次或更多的哮喘发作。凡有由于食物过敏、室内尘埃或猫、狗等家养动物而引起哮喘的病史者均予摒除。在观察期间,由患儿母亲每日按标准表格记录患儿的健康情况,每周由专门护士随访和采取鼻、咽拭标本,每周做2次病毒,1次支原 Pediatric asthma, especially those under the age of 5, is considered to be responsible for most of the external causes, namely flu or other respiratory infections, climate change or mood swings. In order to study the relationship between clinical symptoms of respiratory infections and asthma attacks, the authors had 16 children with endogenous asthma observed closely from May 26, 1971 to May 25, 1972. These children were carefully selected, with 13 boys and 3 girls aged from 3 to 11 and had had 4 or more asthma attacks in the most recent year. Where there is a history of asthma due to food allergies, indoor dust or cats, dogs and other domesticated animals are excluded. During the observation period, the children and mothers daily record the health status of their children according to a standard form. Weekly follow-up by specialized nurses and take nasal and pharyngeal swab specimens twice a week to do the virus, a branch of the original