钟南山、张文宏对新冠变异毒株Omicron作出最新研判_老虎社区_美港股上老虎

钟南山、张文宏对新冠变异毒株Omicron作出最新研判

新浪科技2021-11-28

钟南山：变异株危害性还需要一段时间研判 11月28日，中国罕见病联盟呼吸病学分会第一届全国会议在广州举行，中国工程院院士钟南山出席会议并讲话。活动中，钟南山接受记者采访表示，从目前的情况来看，Omicron变异株传播速度快，已在南非等地区流行，近期在中国香港也发现了一例。 “这个变异株很新，虽然分子基因检测发现，它在受体结合部位有比较多的变化，但是它有多大的危害性、传播会有多快、会不会使疾病更加...

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WWW1234
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href=https://finance.sina.com.cn/tech/2021-11-28/doc-ikyakumx0765676.shtml><strong>新浪科技</strong></a>\n\n\n</h4>\n\n</header>\n<article>\n<div>\n<p>钟南山：变异株危害性还需要一段时间研判\n11月28日，中国罕见病联盟呼吸病学分会第一届全国会议在广州举行，中国工程院院士钟南山出席会议并讲话。\n活动中，钟南山接受记者采访表示，从目前的情况来看，Omicron变异株传播速度快，已在南非等地区流行，近期在中国香港也发现了一例。\n“这个变异株很新，虽然分子基因检测发现，它在受体结合部位有比较多的变化，但是它有多大的危害性、传播会有多快、会不会使疾病更加...</p>\n\n<a href=\"https://finance.sina.com.cn/tech/2021-11-28/doc-ikyakumx0765676.shtml\">网页链接</a>\n\n</div>\n\n\n</article>\n</div>\n</body>\n</html>\n","isBrief":false,"type":0,"news_type":1,"symbol":"BK4568","symbol_name":"美国抗疫概念","start_time":0,"source_url":"https://finance.sina.com.cn/tech/2021-11-28/doc-ikyakumx0765676.shtml","article_id":"1158048760","we_media_id":null,"thumbnails":["https://static.tigerbbs.com/1e65fc4b023292b46db139c8ccb424d5"],"rights":{"source":"sina_tech","url":"https://finance.sina.com.cn/tech/2021-11-28/doc-ikyakumx0765676.shtml","rn_cache_url":null,"customStyle":"body{padding-top:10px;}.art_tit_h1{#titleStyle#}a{#lv2TextColor#}.art_time, .art_cite{#sourceStyle#;} .art_cite{margin-left: 3px;}.weibo_user{#sourceStyle#; margin-bottom: 0; display: inline-block;}.weibo_time{#sourceStyle#};","selectors":".module-article, article","filters":"header, .voice2, .tags, #norm_qrcode_link_auto, .unfold-box, .action, .j_float_wbro, .j_article_wbreco","directOrigin":true},"url":"https://stock-news.laohu8.com/highlight/detail?id=1158048760","pubTimestamp":1638089261,"sourceInfo":{"source_id":"sina_tech","name":"新浪科技"},"weMediaInfo":null,"summary":"中国目前的快速响应与动态清零策略是可以应对各种类型的新冠变种的。","collect":0,"end_time":0,"defaultTopTitle":"sina.com.cn","property":[],"viewcount":null,"language":"zh","relate_stocks":{"BK4568":"美国抗疫概念","BK1515":"抗疫概念"},"translate_title":"Zhong Nanshan and Zhang Wenhong made the latest judgment on the COVID-19 mutant strain Omicron","themeId":null,"isJumpTheme":false,"ttsUrl":"https://static.tigerbbs.com/49642bf5602fa32035a59c8462f1837e","symbols_score_info":{},"content_text":"钟南山：变异株危害性还需要一段时间研判\n11月28日，中国罕见病联盟呼吸病学分会第一届全国会议在广州举行，中国工程院院士钟南山出席会议并讲话。\n活动中，钟南山接受记者采访表示，从目前的情况来看，Omicron变异株传播速度快，已在南非等地区流行，近期在中国香港也发现了一例。\n“这个变异株很新，虽然分子基因检测发现，它在受体结合部位有比较多的变化，但是它有多大的危害性、传播会有多快、会不会使疾病更加严重，以及是否需要针对它进行疫苗研发，还要根据情况来判断。现在下结论为时太早。”\n钟南山表示，Omicron变异株的危害性还需要一段时间的判断，需要随时注意，但是现在还不会采取比较大的行动。“还有一个需要比较注意的是，对南非有关地方来的人员进行防控。”\n张文宏：目前对中国不会产生大影响\n\n11月28日，上海市新冠肺炎临床救治专家组组长、复旦大学附属华山医院感染科主任张文宏医生在其个人社交账号发文，就新冠病毒变异毒株奥密克戎发表了自己的看法。全文如下↓↓\n上海疫情进入扫尾阶段。新冠新变异株奥密克戎登陆世界，迅速占领了所有学术论坛和百姓的饭堂。几点看法供大家参考：\n1。 奥密克戎变种被发现是近期的突发性事件，毫无疑问是病毒进化的产物。由于突变点数量远超已经发现的所有变种，预计应该是在宿主体内经历了较长时间的进化后形成。因为新冠病毒引起的是急性感染，难以在免疫功能正常者体内长时间生存与进化，也没有像流感病毒那样的基因重配发现，目前多数认为该变种可能是在免疫功能缺陷者，如艾滋病患者体内，经过长时间的携带，最终进化而成。形成新变体后，又经过偶然的机会经过传播，并迅速在传播上超越了已有的病毒传播能力，成为南非近期所记录的病毒株中的优势株（占比90%以上）。\n2。 由于携带病毒突变点多，在传播上短期内似乎战胜了南非的其他病毒株，包括德尔塔毒株。因此，世卫组织出于谨慎，将其列入了密切关注变异株（VOC），也就是说要引起极大关注。\n3。 但这是否已经说明全球抗疫的努力就此前功尽弃呢？现在还很难说。南非这次病毒株序列公布的总量不多，需要再观察未来两周更多的数据和实验室数据才能精准判断。\n4。 南非的疫苗接种完成率低，完成全程接种的人口比例仅仅24%，自然感染率4.9%左右，其实不足以构建疫苗和自然感染的免疫屏障，没有免疫屏障就谈不上免疫突破。也就是说如果这种情况今天出现在以色列，那么可以说毫无疑问，全球抗疫要面临重头再来的风险。\n5。 这里也就清楚了，为什么英国和以色列这些疫苗全程接种率超过80%，特别是以色列第三针接种率也已经达到了50%左右，这两个国家对外来输入采取的措施突然收紧。也就是说，对南非这种情况下，如果一旦明确这个病毒株可以突破原有的免疫屏障，那就意味着我们必须对已有的所有疫苗体系做调整，开始进入流感疫苗接种模式，也就是说每年要根据病毒变异情况，迅速构建新的疫苗。但是也意味着日子会变得更难。\n6。 据路透社报道，为防止疫情入侵，以色列27日宣布将关闭边境，禁止所有外国旅客入境，成为全球首个因“奥密克戎”毒株而封锁国境的国家。以总理贝内特表示，这项禁令可能将持续14天，这种变异毒株“非常令人担心”，以色列“在进入紧急状态的边缘”，所有人都要严阵以待。\n7。 这种情况下，可以判断，这次南非的变种病毒出现有偶然性，但是是否会对目前的初步建立的脆弱的人群免疫构成威胁，需要两周左右的观察时间。为什么初步定为两周内，是因为现在全球的流行病学数据，以及病毒中和试验数据，在两周到数周内都会出结果。这些工作我们复旦的团队和中国多个兄弟科研团队都在同步进行。不过我同意我的朋友香港大学病毒学家金冬雁教授的看法，“新冠病毒的变异是受到一定限制的，总的来讲，新冠的很多变种都没有存活下来，即使是存活下来的部分变种，其中也只有极少数能够成为优势株。从疫情暴发到现在，起码发现了上百种变异株，但只有一个德尔塔能留下来，在过去，贝塔和伽马变异株也被证明有比较强的免疫逃逸特性，但它们在和德尔塔的传播比赛中还是落败了，最后无声无息就消失了。”让我们拭目以待吧，好在不需要太长时间。\n最后说下，中国怎么办。\n我认为对中国目前还不会产生大的影响，中国目前的快速响应与动态清零策略是可以应对各种类型的新冠变种的。\n新冠病毒再变，还是新冠病毒。中国目前处于动态清零策略所赢得的战略机遇期内，正在加速构建下阶段应对常态化抗疫所需要的科学支撑，包括形成足以支撑世界开放的有效疫苗与药物储备，以及公共卫生及医疗资源储备。基于科学与团结，我们可以应对德尔塔，也能应对奥密克戎。","kind":null,"is_publish_news":null,"is_publish_highlight":null,"is_publish_live":null,"is_publish_wemedia":null,"editions":null,"symbols":[],"gpt_button":1},"commentList":[{"id":600656431,"gmtCreate":1638149853211,"gmtModify":1638149853288,"author":{"id":"3586996018526097","authorId":"3586996018526097","name":"WWW1234","avatar":"https://static.tigerbbs.com/f999fbab63e5f6bc66819c077e68aa42","vip":1,"crmLevel":1,"crmLevelSwitch":0},"htmlText":"[微笑]&nbsp;","listText":"[微笑]&nbsp;","text":"[微笑]","images":[],"top":1,"highlighted":1,"essential":1,"paper":1,"likeSize":2,"commentSize":0,"repostSize":0,"link":"https://laohu8.com/post/600656431","repostId":1158048760,"repostType":4,"isVote":1,"likeStatus":false,"favoriteStatus":false,"reportStatus":false,"tweetType":1,"langContent":"CN"},{"id":600879257,"gmtCreate":1638142910475,"gmtModify":1638142910773,"author":{"id":"3582619411234920","authorId":"3582619411234920","name":"Vincent8090","avatar":"https://static.tigerbbs.com/633a83509714bf29fdc2b04616c25da6","vip":1,"crmLevel":2,"crmLevelSwitch":0},"htmlText":"[胜利]&nbsp;","listText":"[胜利]&nbsp;","text":"[胜利]","images":[],"top":1,"highlighted":1,"essential":1,"paper":1,"likeSize":1,"commentSize":0,"repostSize":0,"link":"https://laohu8.com/post/600879257","repostId":1158048760,"repostType":4,"isVote":1,"likeStatus":false,"favoriteStatus":false,"reportStatus":false,"tweetType":1,"langContent":"CN"},{"id":600899380,"gmtCreate":1638112258718,"gmtModify":1638112258718,"author":{"id":"4087263755014960","authorId":"4087263755014960","name":"小虎小虎小小虎","avatar":"https://static.laohu8.com/default-avatar.jpg","vip":1,"crmLevel":2,"crmLevelSwitch":0},"htmlText":"ok","listText":"ok","text":"ok","images":[],"top":1,"highlighted":1,"essential":1,"paper":1,"likeSize":1,"commentSize":1,"repostSize":0,"link":"https://laohu8.com/post/600899380","repostId":1158048760,"repostType":4,"isVote":1,"likeStatus":false,"favoriteStatus":false,"reportStatus":false,"tweetType":1,"comments":[{"id":6758888,"gmtCreate":1638112265736,"gmtModify":1638112265820,"authorId":4087263755014960,"author":{"id":4087263755014960,"authorId":4087263755014960,"name":"小虎小虎小小虎","avatar":"https://static.laohu8.com/default-avatar.jpg","vip":1,"crmLevel":2,"crmLevelSwitch":0,"individualDisplayBadges":[]},"repliedAuthorId":0,"objectId":600899380,"type":1,"supId":0,"prevId":0,"content":"ok","text":"ok","html":"ok"}],"langContent":"CN"},{"id":600801488,"gmtCreate":1638110482753,"gmtModify":1638110482753,"author":{"id":"3586266967551836","authorId":"3586266967551836","name":"一剑奈何","avatar":"https://static.laohu8.com/default-avatar.jpg","vip":1,"crmLevel":2,"crmLevelSwitch":0},"htmlText":"Ok&nbsp;","listText":"Ok&nbsp;","text":"Ok","images":[],"top":1,"highlighted":1,"essential":1,"paper":1,"likeSize":2,"commentSize":1,"repostSize":0,"link":"https://laohu8.com/post/600801488","repostId":1158048760,"repostType":4,"isVote":1,"likeStatus":false,"favoriteStatus":false,"reportStatus":false,"tweetType":1,"comments":[{"id":6758675,"gmtCreate":1638110493453,"gmtModify":1638110493480,"authorId":3586266967551836,"author":{"id":3586266967551836,"authorId":3586266967551836,"name":"一剑奈何","avatar":"https://static.laohu8.com/default-avatar.jpg","vip":1,"crmLevel":2,"crmLevelSwitch":0,"individualDisplayBadges":[]},"repliedAuthorId":0,"objectId":600801488,"type":1,"supId":0,"prevId":0,"content":"Ok 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