{"id":932526,"date":"2026-05-14T14:30:23","date_gmt":"2026-05-14T14:30:23","guid":{"rendered":"https:\/\/www.europesays.com\/fr\/932526\/"},"modified":"2026-05-14T14:30:23","modified_gmt":"2026-05-14T14:30:23","slug":"hantavirus-la-priorite-est-deviter-son-adaptation-a-lhumain-pour-ce-directeur-de-recherche-au-cnrs","status":"publish","type":"post","link":"https:\/\/www.europesays.com\/fr\/932526\/","title":{"rendered":"Hantavirus : la priorit\u00e9 est d'\u00a0\u00bb\u00e9viter son adaptation \u00e0 l&rsquo;humain\u00a0\u00bb pour ce directeur de recherche au CNRS"},"content":{"rendered":"<p><strong>Qu\u2019est-ce qu\u2019un virus \u00e9mergent\u00a0?<\/strong>&#13;\n<\/p>\n<p>Ce sont des virus, qui se propagent dans de nouvelles populations ou qui \u00e9mergent \u00e0 partir d\u2019un r\u00e9servoir animal. Il existe plusieurs cat\u00e9gories\u00a0: ceux qui se propagent \u00e0 la faveur des changements climatiques. C\u2019est le cas par exemple pour la <a href=\"https:\/\/www.laprovence.com\/article\/ecoplanete\/6502613761073114\/plus-gros-foyer-de-contamination-de-l-hexagone-l-episode-de-dengue-considere-comme-clos-a-aubagne\" target=\"_blank\" rel=\"nofollow noopener\">dengue<\/a>, le <a href=\"https:\/\/www.laprovence.com\/article\/sante\/23462809083255\/moustique-tigre-chikungunya-dengue-zika-ces-maladies-que-peut-transmettre-linsecte-le-plus-redoute-de-lete\" target=\"_blank\" rel=\"nofollow noopener\">chikungunya<\/a> qui se d\u00e9placent vers le nord suite \u00e0 la colonisation des r\u00e9gions temp\u00e9r\u00e9es par les moustiques tigres qui sont les vecteurs de maladies. La deuxi\u00e8me cause d\u2019\u00e9mergence est li\u00e9e au franchissement de barri\u00e8res d\u2019esp\u00e8ces, autrement dit des <a href=\"https:\/\/www.laprovence.com\/article\/sante\/1203858736399314\/hantavirus-il-y-a-1-an-il-faisait-deja-parler-de-lui\" target=\"_blank\" rel=\"nofollow noopener\">virus<\/a> qui existent dans une esp\u00e8ce animale et se transmettent \u00e0 l\u2019humain au contact avec des animaux sauvages ou d\u2019\u00e9levage. Dans ce cas, on parle de virus zoonotiques.<\/p>\n<p><strong>Comment les virus peuvent-ils franchir les barri\u00e8res des esp\u00e8ces\u00a0?<\/strong>&#13;\n<\/p>\n<p>Si l\u2019on prend l\u2019exemple des grippes aviaires qui peuvent circuler dans les \u00e9levages, les personnes qui y travaillent peuvent \u00eatre infect\u00e9es si des charges virales sont extr\u00eamement fortes. Mais, comme le virus n\u2019est pas tout \u00e0 fait adapt\u00e9 \u00e0 l\u2019homme, il se r\u00e9plique inefficacement. Il n\u2019est pas en capacit\u00e9 d\u2019infecter de mani\u00e8re productive d\u2019autres humains.<\/p>\n<p>Des mutations dans le g\u00e9nome de virus seront n\u00e9cessaires pour qu\u2019il s\u2019adapte&#8230;<\/p>\n","protected":false},"excerpt":{"rendered":"Qu\u2019est-ce qu\u2019un virus \u00e9mergent\u00a0?&#13; Ce sont des virus, qui se propagent dans de nouvelles populations ou qui \u00e9mergent&hellip;\n","protected":false},"author":2,"featured_media":932527,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10],"tags":[5734,5331,56799,932,1011,27,97699,72,40417,56466,71,3711],"class_list":{"0":"post-932526","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-sante","8":"tag-5734","9":"tag-adaptation","10":"tag-deviter","11":"tag-est","12":"tag-fr","13":"tag-france","14":"tag-hantavirus","15":"tag-health","16":"tag-lhumain","17":"tag-priorite","18":"tag-sante","19":"tag-son"},"share_on_mastodon":{"url":"https:\/\/pubeurope.com\/@fr\/116573413598697263","error":""},"_links":{"self":[{"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/posts\/932526","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/comments?post=932526"}],"version-history":[{"count":0,"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/posts\/932526\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/media\/932527"}],"wp:attachment":[{"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/media?parent=932526"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/categories?post=932526"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/tags?post=932526"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}