Abstract

目的 分离并初步鉴定引起2003年我国苏北地区无菌性脑膜炎暴发的病原体.方法来自70例患者的66份脑脊液和4份粪便标本,用3种细胞系(MRC-5、Vero、Hep-2)进行病毒分离,并通过电镜、逆转录聚合酶链反应(RT-PCR)和中和试验等方法,分别从形态学、分子生物学和血清学的角度对分离毒株进行鉴定.结果得到22株阳性分离株病毒,18株分离自脑脊液(分离率27.3%),4株分离自粪便标本.经电镜、肠道病毒通用引物RT-PCR以及肠道病毒组合及单价抗血清的中和试验鉴定,所有分离毒株均为Echo30型肠道病毒.结论 Echo30是本次脑膜炎暴发流行的病因病毒。

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