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病毒是诱发或加剧哮喘、喘息性支气炎、婴幼儿毛细支气管炎喘鸣发作的重要因素。张忠鲁等报道,20.6%的成人支气管哮喘急性加重病例有急性或近期病毒感染的证据[1];在哮喘性慢性支气管炎中,直接分离到病毒或血槽学检查间接地证明病毒感染者约占30%~40%,其中
The virus is an important factor that induces or exacerbates asthma, wheezing bronchitis, and infantile bronchiolitis. Zhang Zhonglu et al reported that 20.6% of adults with acute exacerbation of bronchial asthma have evidence of acute or recent viral infections [1]; in asthma-induced chronic bronchitis, direct isolation of virus or karyotype examination indirectly proves that the virus is infected About 30% to 40%, of which