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甲肝输入北京市造成暴发风险不大

健康 来源:北京日报 2017年11月02日 16:54 A-A+ 二维码
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原标题:

  近日,美国发生22年来最大规模人传人甲肝疫情。对此,北京市疾控中心提醒从甲肝疫区回国人员,如果发现恶心、呕吐、腹泻等不适症状,须及时就医,告知医生旅行史。专家指出,作为甲肝低流行区,甲肝输入北京造成大规模暴发流行的风险不大。

  甲型病毒性肝炎是由甲肝病毒感染引起的、以肝脏坏死性炎症为特征的传染性疾病,主要通过粪口途径传播,因摄入由甲肝病毒感染者的粪便污染的食物或水传播。人群对甲肝病毒普遍易感,感染后可获得持久的免疫力。

  甲肝疫情是否会输入北京造成大规模暴发流行?北京市疾控中心专家介绍,北京市在2008年将甲肝疫苗纳入儿童免疫规划管理,满18月龄儿童接种两剂次甲肝灭活疫苗。2014年北京市肝炎血清流行病学调查结果显示,全人群甲肝抗体阳性率已达到81.86%。疾病监测显示,自2009年以来北京甲肝报告发病率持续维持于1/10万以下,到2016年已下降至0.65/10万。北京已处于甲肝低流行区,甲肝输入北京造成大规模暴发流行的风险不大。(记者 刘欢)

BlobNotFoundThe specified blob does not exist. RequestId:1d4b3d82-e01e-00ad-04fb-131803000000 Time:2019-05-26T19:47:59.0822507Z 甲肝病毒 | 暴发流行
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我要纠错编辑:邹杨 责任编辑:张福伟
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