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对拟诊为肺炎支原体（ＭＰ）感染的门诊及住院患儿分别采用ＰＣＲ法及ＥＬＩＳＡ法检测抗原及 ＭＰ－ＩｇＭ。结果：拟诊Ｍｐ感染 ８ ２７４例，阳性标本 ３ ６９１例，总阳性率为４４．６％，门诊送检阳性率４７．８％，病房送检率为３５．５％，结果显示此病流行年多发生于夏秋季，１年中也可出现两个流行高峰（８月、１２月）；好发年龄向低年龄组偏移，新生儿亦有发生；小于 ３岁症状比年长儿童重；上呼吸道感染明显高于下呼吸道感染， Ｍｐ肺炎发生率约 １５％， Ｍｐ感染期间易发生双重感染。
Antigens and MP-IgM were detected by PCR and ELISA in outpatients and inpatients suspected of mycoplasma pneumoniae (MP) infection. Results: Among the 8 274 suspected Mp infections, 3 691 positive specimens were detected, the total positive rate was 44.6%, the positive rate was 47.8% in outpatient clinics and 35.5% in ward. The results showed that the disease was endemic Years occurred in summer and autumn, one year can also be two epidemic peak (August, December); good hair age offset to the low age group, newborns also occurred; less than 3 years old symptoms than older children ; Upper respiratory tract infection was significantly higher than lower respiratory tract infection, Mp pneumonia incidence of about 15%, Mp infection prone to double infection.