由于抗菌药物广泛使用,近年来小儿呼吸道感染的病原发生了明显改变。病毒已成为小儿肺炎最重要原因。呼吸道约83.1%能找到病毒,40—50%由病毒引起。为避免抗菌药物滥用,早期合理治疗,早期作出病原诊断非常重要。但病毒诊断往往需要特殊设备及训练,病毒分离和血清检查不能满足临床早期诊断要求。 Due to the widespread use of antimicrobial agents, the pathogen of pediatric respiratory infections has changed significantly in recent years. The virus has become the most important cause of pneumonia in children. About 83.1% of the respiratory tract can find the virus, 40-50% caused by the virus. In order to avoid the abuse of antibiotics, it is very important to make early pathogen diagnosis in the early reasonable treatment. But virus diagnosis often requires special equipment and training, virus isolation and serum tests can not meet the clinical early diagnosis requirements.