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2018—2022年焦作市<18岁人群感染诺如病毒基因分型分析 被引量:1

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摘要 目的了解焦作市2018—2022年<18岁人群诺如病毒的流行株基因型及同源性。方法收集2018—2022年焦作市<18岁人群腹泻病例粪便标本,提取RNA,通过荧光定量PCR方法,检测诺如病毒GⅡ型,筛选出阳性标本,应用RT-PCR扩增RdRp部分基因片段和VP1全长基因片段,RT-PCR阳性扩增产物进行基因测序,分析流行株基因型并构建系统进化树。结果共采集2453份粪便标本,检出诺如病毒GⅡ阳性394份,含8个基因亚型,依次为GII.P16/GII.2(占35.79%)、GII.P17/GII.17(占34.26%)、GII.P16/GII.1(占14.97%)、GII.P12/GII.3(占6.60%)、GII.Pe/GII.4(占3.55%)、GII.P8-GII.8(占2.28%)、GII.P7-GII.6(占1.27%)、GII.P7-GII.14(占1.27%)。结论2018—2022年焦作市<18岁人群诺如病毒感染为多基因型毒株共同流行,可能加速新的基因重组型毒株出现,需加强关注。
出处 《江苏预防医学》 CAS 2023年第6期738-740,共3页 Jiangsu Journal of Preventive Medicine
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