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成都市人群和猪群B型流感病毒血清学调查分析 被引量:1

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摘要 目的了解健康人群和猪群B型流感病毒血清中和抗体水平及感染状况,分析B型流感病毒的流行趋势。方法采集人血清和猪血清,使用血凝抑制(HI)法检测B型流感病毒的HI抗体,使用的抗原是2014年从流感样病例(ILI)中分离获得的B型Victoria系、B型Yamagata系流感病毒毒株。结果健康人血清中B型Victoria系和Yamagata系流感病毒HI抗体的滴度和阳性率分别是1∶55.79,94.00%;1∶164.5,100.00%。猪血清中B型流感病毒以上两型的滴度和阳性率分别是1∶2.56,18.37%;1∶25.73,63.26%。结论人群血清中有极高的HI抗体水平,说明人群对B型流感病毒的高感染率,但并没有阻断B型流感病毒的持续循环。猪血清中也有B型流感HI抗体,推测猪可能也是B型流感病毒宿主之一。
出处 《应用预防医学》 2015年第6期403-404,406,共3页 Applied Preventive Medicine
基金 四川省卫生厅科研项目(100055)
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