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本文应用套式（Nested）PCR技术检测了132例急性呼吸道患儿之咽拭子标本中的肺炎衣原体（CPn）特异性DNA。结果发现．受检标本中有19例检出阳性，即各处呼吸道患儿之咽拭子标本中的CPn－DNA阳性率高达14．4％。提示CPn在我国儿童中有较高的感染率。
In this study, Nested PCR was used to detect Chlamydia pneumoniae (CPn) specific DNA in throat swabs from 132 children with acute respiratory diseases. turn out. Twenty-nine of the specimens tested positive for CPn-DNA in throat swab specimens from children with respiratory tract up to 14.4%. Tip CPn in our children have a higher infection rate.