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学者预警一新型重组猪流感病毒 具备在人群流行潜力

学者预警一新型重组猪流感病毒 具备在人群流行潜力

2020年07月01日 06:02 来源:天津时时彩_天津时时彩平台网站---官网_欢迎您 参与互动参与互动

天津时时彩  gaofudengxuezheyujingyixinxingzhongzuzhuliuganbingdu: jubeizairenqunzhongliuxingqianli

  zhubeirenweishidaliuxingxingliuganbingduchanshengdezhongyaosuzhuhuo“hunherongqi”,duizhuliuganbingdudexitongjianceduiyuyujinghezhunbeixiayiciqianzaidaliuxingzhiguanzhongyao。laizizhongguodeyanjiutuanduitongguojiance2011nian-2018niandejin3wantouzhudebishizifaxian: yizhongzhongzudeliuganbingdug4 ea h1n1zi2016nianyijingzhanjuleguoneizhuliuganbingdudezhuti,bingjubeizairenqunzhongliuxingdeqianli。yanjiutuanduijianyi: xunsukongzhig4 ea h1n1bingduzaizhuqunzhongdeliuxing,duiyangzhirenyuanjinxingmiqiedejiankong。

  yishangfaxianlaizidangdishijian6yue29riguojiquanweiqikan《meiguokexueyuanyuanbao》(pnas)dezuixinlunwen“prevalent eurasian avian-like h1n1 swine influenza virus with 2009 pandemic viral genes facilitating human infection”。lunwentongxunzuozheweizhongguonongyedaxuedongwuyixueyuanliujinhuajiaoshouhezhongjikongzhurengaofuyuanshi,diyizuozheweizhongguonongyedaxuedongwuyixueyuanyufangshouyixuexifuyanjiuyuansunhonglei。

  该监测历时8年、横跨10省市。具体来说,研究者收集来自安徽、北京、河北、黑龙江、河南、江苏、吉林、辽宁、山东和天津的养猪场29918头待屠宰的猪鼻拭子,以及1016头出现呼吸道症状的猪鼻拭子或肺部取样。研究者鉴定了一种最近出现的基因型4 (G4)重组的欧亚禽类流感(EA)的H1N1病毒(下称G4 EA H1N1,简称G4病毒),该病毒具有2009年H1N1大流行和三重重组(TR)派生的内部基因,自2016年以来在猪群中占主导地位。所谓重组,是指当多种流感病毒感染同一头猪时,它们很容易交换基因,这个过程就是“重组”。

  zhideyitideshi,2009-2010nian,xinxingjiaxingh1n1liuganbingduzaiquanqiuyinfadaliugan,yesuchengweizhuliugan。zheichangdaliuxingzuixianyoumoxigebaogao,zhihoukuosandaozhimeiguojiazhouhedezhoubaofa,bingjinerhengsaobaokuolamei、ouzhou、yatai、feizhou、zhongdongdengdiqubaiyuguo,zaochengquanqiuchaoguobaiwanrenquezhen,yuwanrensiwang。

  yu2009nianzhuliuganbingduxiangsi,g4bingdunengyurenxingshoutijiehe,nengzairendeqidaoshangpixibaozhongchanshenggengduozidaibingdu,bingzaixuediaozhongbiaoxianchugaoxiaodechuanranxingheqirongjiaochuanbonengli,xuediaoshiyanjiurenleiliugandeyizhongliuxingdongwumoxing。

天津时时彩  ciwai,yug4zhongzudeea h1n1bingduderenliuganyimiaozhudedikangyuanjiaochafanyingbiaoming,xianyouderenqunmianyibunengtigongduig4bingdudebaohu。duizhiyejiechurenqundejinyibuxueqingxuejiancexianshi,10.4%(35/338)dezhugongreng4 ea h1n1bingduchengyangxing,tebieshi18suizhi35suidecanyuzhe,qixueqingyangxinglvwei20.5%(9/44),zheishuomingyig4 ea h1n1bingduweizhuderenchuanranxingzengqiang。zheizhongchuanranxingdadazengjialebingduzairenleizhongshiyingdejihui,bingyinqileduikenengchanshengdaliuxingxingbingdudedanyou。

  genjujinhuashufenxi,ea h1n1bingduyoug1-g6liugejiyinxing。g1shizuichudeea h1n1,erbaokuog4zaineideqitajiyinxingjiushi2011niandao2018nianmouxiejiyinfashengtihuanhuozhebianyierchanshengde。

天津时时彩  zhubishizifenxijieguobiaoming: g4bingduzai2013nianbianyichuxian,zai2016niankaishichengweizhuliu,bingzai2018nianzhanlejueduiduoshu。

  《kexue》wangzhanyuanyinxinidaxueyanjiubingyuantidejinhuashengwuxuejiaaidehua·huomusishuo: “congmuqiandeshujulaikan,zheisihushiyizhongjijiangzairenleishenshangchuxiandezhuliuganbingdu。”buguogaiyanjiuyeyouqijuxianxing,jiushiyangbenhaibugouda,zhongguoyou5yitouzhu。zheixiangyanjiuzhishirangrenmenduizhuliuganduzhuyouleyigexiaoxiaodelejie。

天津时时彩  lunwenbaogao,zaiyixiangjiatingdiaochazhong,yanjiurenyuanfaxian230mingbeidiaochazhezhongyou4.4%derenyoug4dekangti,erzaiyangzhugongrenzhongzheiyibilifanleyibeiduo。chulejiaqiangjiance,sunhongleishuo,kaifazhenduizhuherendeg4yimiaoshiyouyiyide。

  澎湃新闻记者 贺梨萍

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