Methods Venous blood and terminal blood of 500 sick children were detected respectively aetiology of pneumonia in the same time with ELISA,the result of qualitative analysis was compared.

• 方法采用酶联免疫吸附(ELISA)法对肺炎患儿500例标本同时进行静脉血和末梢血病原学检测,对两种方法的检测结果进行比较。