目的评价柯萨奇病毒A组16型(coxsackievirus A16,CA16)中和抗体检测方法于不同实验室内和实验室间的可重复性。方法参照WHO脊髓灰质炎病毒中和抗体检测方法,建立CA16中和抗体检测方法和实验标准;收集22份血清样品,对CA16 A基因型毒株G10及B基因型毒株W190、33、203、P11和CS02毒株独立进行CA16中和抗体有效检测实验,评价所建立的检测方法于A~G实验室内和实验室间的可重复性;分别于A、B、C、D和E实验室比较G10毒株与W190、33、203、P11和CS02毒株对CA16中和抗体检测结果的影响。结果在各实验室内,有17/22份血清样品的变异系数(variable coefficient,CV)在0~11.4%之间,表明该检测方法在同一实验室内具有较好的可重复性;在实验室间,除3份低效价血清和1份效价过高血清外,其余血清样品的几何平均滴度(geometric mean titer,GMT)最大差异倍数均在3.0倍以内,实验室间检测差异在可接受范围内;W190、33、203、P11和CS02毒株与G10毒株检测结果趋势相近。在同一实验室内,W190和33毒株与G10毒株...
【英文摘要】
Objective To evaluate the intra- and inter-reproducibility of test method for neutralizing antibody against coxsacievirus A16(CA16)in various laboratories. Methods The test method and experimental standard for neutralizing antibody against CA16 were developed according to the WHO requirements for test method for neutralizing antibody against poliovirus. Twenty-two serum samples were collected and tested for neutralizing antibody against CA16 in strain G10 of genotype A and strains W190,33,203,P11 and CS02 o...
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