{"id":97760,"date":"2021-01-16T20:05:01","date_gmt":"2021-01-16T19:05:01","guid":{"rendered":"https:\/\/legrandcontinent.eu\/fr\/?p=97760"},"modified":"2021-01-16T20:05:43","modified_gmt":"2021-01-16T19:05:43","slug":"les-mutations-du-virus","status":"publish","type":"post","link":"https:\/\/legrandcontinent.eu\/fr\/2021\/01\/16\/les-mutations-du-virus\/","title":{"rendered":"Les mutations du virus"},"content":{"rendered":"\n<p>Depuis d\u00e9cembre, les r\u00e9v\u00e9lations sur les mutations du virus inqui\u00e8tent le monde entier. Pourquoi et comment un virus mute&#160;? Quels effets sur les vaccins&#160;? Quels effets sur la gestion de l&rsquo;\u00e9pid\u00e9mie&#160;?<\/p>\n\n\n\n<div class=\"iframe-container wp-block-image wp-block-image-medium  iframe-dw\">\n\t<div>\n\t\t<iframe class=\"absolute w-full h-full pin-t pin-l\" title=\"titolo\" aria-label=\"Interactive line chart\" src=\"\/\/datawrapper.dwcdn.net\/xK1lM\/1\/\" scrolling=\"no\" frameborder=\"0\"><\/iframe>\n\t<\/div>\n<\/div>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>D\u00e9finir la mutation<\/strong>. \u00ab&#160;On commence \u00e0 entrevoir la double complexit\u00e9 derri\u00e8re le terme de mutation&#160;: la r\u00e9f\u00e9rence par rapport \u00e0 laquelle on consid\u00e8re la mutation (\u2018nous sommes tous le mutant de quelqu\u2019un\u2019), et le fait qu\u2019il s\u2019agit d\u2019une source d\u2019innovations, pouvant ensuite \u00eatre s\u00e9lectionn\u00e9es ou non par l\u2019\u00e9volution. Dans le cas des virus, la r\u00e9plication du g\u00e9nome est permanente.&#160;\u00bb<\/li><li><strong>Une mutation, et ensuite&#160;?<\/strong>&nbsp;\u00ab&#160;La plupart du temps, rien. La grande, voire tr\u00e8s grande majorit\u00e9 des changements d\u2019un caract\u00e8re dans la s\u00e9quence g\u00e9nomique n\u2019ont aucun effet. L\u00e0 o\u00f9 les choses se compliquent, c\u2019est que certaines ont un effet \u2018avantageux\u2019 (du point de vue de l\u2019entit\u00e9 biologique, ici du virus), mais d\u2019autres auront un effet \u2018d\u00e9l\u00e9t\u00e8re\u2019. Qui fera le tri&#160;? L\u2019\u00e9volution, ni plus ni moins.&#160;\u00bb<\/li><li><strong>Il faut vacciner d\u2019urgence<\/strong>. \u00ab&#160;La voix, d\u00e9j\u00e0 forte, des soignants \u00e9puis\u00e9s&nbsp; qui appellent \u00e0 une vaccination plus contraignante, pourrait bient\u00f4t \u00eatre rejointe par celle des scientifiques et des chercheurs expliquant que si l\u2019on attend trop et qu\u2019on ne vaccine pas d\u00e8s maintenant tous ceux qui peuvent l\u2019\u00eatre, on laisserait potentiellement se d\u00e9velopper de nouvelles souches en mesure de contaminer les vaccin\u00e9s, et tout ceux qui l\u2019ont d\u00e9j\u00e0 \u00e9t\u00e9\u2026&#160;\u00bb<\/li><li><strong>Que surveiller&#160;?&nbsp;<\/strong>Le taux de mortalit\u00e9 de ces nouveaux variants, l\u2019\u00e9volution des connaissances sur leur contagiosit\u00e9, mais \u00e9galement l\u2019efficacit\u00e9 des vaccins et\u2026 l\u2019apparition de \u00ab&#160;nouvelles nouvelles souches\u00ab&#160;&#160;\u00bb.&nbsp;<span class='whitespace-nowrap'><span id='easy-footnote-1-97760' class='easy-footnote-margin-adjust'><\/span><span class='easy-footnote'><a href='https:\/\/legrandcontinent.eu\/fr\/2021\/01\/16\/les-mutations-du-virus\/#easy-footnote-bottom-1-97760' title='&lt;a href=&quot;https:\/\/legrandcontinent.eu\/fr\/2021\/01\/06\/10-points-sur-la-mutation-du-virus\/?mc_cid=002e43dd9a&amp;amp;mc_eid=9d9d57a1aa&quot;&gt;https:\/\/legrandcontinent.eu\/fr\/2021\/01\/06\/10-points-sur-la-mutation-du-virus\/?mc_cid=002e43dd9a&amp;amp;mc_eid=9d9d57a1aa&lt;\/a&gt;'><sup>1<\/sup><\/a><\/span><\/span><\/li><\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Depuis d\u00e9cembre, les r\u00e9v\u00e9lations sur les mutations du virus inqui\u00e8tent le monde entier. Pourquoi et comment un virus mute&#160;&#160;? Quels effets sur les vaccins&#160;&#160;? Quels effets sur la gestion de l&rsquo;\u00e9pid\u00e9mie&#160;&#160;?<\/p>\n","protected":false},"author":175,"featured_media":97761,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"templates\/post-briefings.php","format":"standard","meta":{"_acf_changed":false,"_trash_the_other_posts":false,"footnotes":""},"categories":[2210],"tags":[2281],"staff":[1780],"editorial_format":[],"serie":[],"audience":[],"geo":[547],"class_list":["post-97760","post","type-post","status-publish","format-standard","hentry","category-sante-publique","tag-coronavirus","staff-le-grand-continent","geo-nordiques"],"acf":{"open_in_webview":false,"accent":false},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.1.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Les mutations du virus | Le Grand Continent<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/legrandcontinent.eu\/fr\/2021\/01\/16\/les-mutations-du-virus\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Les mutations du virus | Le Grand Continent\" \/>\n<meta property=\"og:description\" content=\"Depuis d\u00e9cembre, les r\u00e9v\u00e9lations sur les mutations du virus inqui\u00e8tent le monde entier. 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