{"id":20553,"date":"2021-09-12T15:47:09","date_gmt":"2021-09-12T15:47:09","guid":{"rendered":"https:\/\/www.africa-press.net\/burkina-faso\/politique\/covid-19-vers-un-vaccin-nasal-francais"},"modified":"2021-09-13T20:03:31","modified_gmt":"2021-09-13T20:03:31","slug":"covid-19-vers-un-vaccin-nasal-francais","status":"publish","type":"post","link":"https:\/\/www.africa-press.net\/burkina-faso\/toutes-les-actualites\/covid-19-vers-un-vaccin-nasal-francais","title":{"rendered":"Covid-19\u00a0: vers un vaccin nasal fran\u00e7ais\u00a0?"},"content":{"rendered":"<p><span style=\"color: #ff6600\"><strong><a href=\"https:\/\/www.africa-press.net\/\">Africa-Press<\/a> &#8211; <a href=\"https:\/\/www.africa-press.net\/burkina-faso\">Burkina Faso<\/a>. <\/strong><\/span>Fini, les vilaines piq\u00fbres qui en effraient certains. L\u2019Inrae \u2013 Institut national de la recherche agronomique \u2013 et l\u2019universit\u00e9 de Tours ont d\u00e9pos\u00e9, cette semaine, un brevet d\u2019un vaccin par administration nasale. L\u2019injection, cens\u00e9e lutter contre le Covid-19, a \u00e9t\u00e9 test\u00e9e sur des souris et des hamsters dor\u00e9s. De premiers tests \u00ab tr\u00e8s positifs \u00bb, avance l\u2019Inrae jeudi 9 septembre, m\u00eame si les r\u00e9sultats de ces exp\u00e9rimentations scientifiques n\u2019ont pas encore \u00e9t\u00e9 publi\u00e9s dans une revue officielle.<\/p>\n<p>Le vaccin, qui en est encore \u00e0 sa phase de d\u00e9veloppement, est essentiellement compos\u00e9 de prot\u00e9ines virales, \u00ab encapsul\u00e9es \u00bb dans des nanoparticules \u00e0 base d\u2019amidon et de lipides. Selon l\u2019Inrae et l\u2019universit\u00e9 de Tours, la plus-value de ce vaccin r\u00e9side dans sa capacit\u00e9 \u00e0 couper la transmission entre individus, en agissant directement sur la muqueuse nasale. \u00ab Contrairement aux vaccins intra-musculaires, seuls les vaccins \u00e0 administration par voie nasale seraient capables d\u2019\u00e9viter la pr\u00e9sence de virus dans le nez, stade initial de l\u2019infection. Ils induisent en effet une immunit\u00e9 au niveau des muqueuses nasales, porte d\u2019entr\u00e9e et lieu de multiplication du virus \u00bb, expliquent les chercheurs dans un communiqu\u00e9.<\/p>\n<p><b>Un vaccin en \u00ab support \u00bb aux doses d\u00e9j\u00e0 inject\u00e9es ?<\/b><\/p>\n<p>\u00ab Les exp\u00e9riences ont montr\u00e9 que le vaccin arr\u00eate tr\u00e8s pr\u00e9cocement la transmission. Je travaille sur des animaux qui sont infect\u00e9s : deux jours apr\u00e8s, je constate que la charge virale dans les poumons est explosive. Si je regarde la m\u00eame chose sur les animaux qui ont \u00e9t\u00e9 vaccin\u00e9s et infect\u00e9s, je ne retrouve aucune trace du virus dans les poumons \u00bb, pr\u00e9cise la responsable de l\u2019\u00e9quipe de recherche BioMAP Isabelle Dimier-Poisson.<\/p>\n<p>Ce vaccin sans adjuvant, qui s\u2019appuie sur des chercheurs et industriels bas\u00e9s en France, pourrait aussi servir de rappel dans la population d\u00e9j\u00e0 vaccin\u00e9e \u00ab afin d\u2019\u00e9viter la transmission de la maladie \u00bb. Selon la chercheuse, BioMAP a r\u00e9ussi \u00e0 obtenir \u00ab 100 % de survie \u00bb sur des souris vaccin\u00e9es puis infect\u00e9es par le Covid-19, contre \u00ab 100 % de mortalit\u00e9 \u00bb sur des souris non-vaccin\u00e9es. L\u2019\u00e9quipe de recherche esp\u00e8re commencer d\u00e8s l\u2019automne la phase de production en vue d\u2019une phase clinique lors du deuxi\u00e8me semestre 2022. La mise sur le march\u00e9 est pr\u00e9vue pour 2023.<\/p>\n<p>Newsletter sant\u00e9<\/p>\n<p>Palmar\u00e8s des h\u00f4pitaux et cliniques, dossiers sp\u00e9ciaux, conseils et astuces\u2026 Retrouvez chaque mardi notre s\u00e9lection d\u2019articles issue de notre rubrique Sant\u00e9.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Africa-Press &#8211; Burkina Faso. Fini, les vilaines piq\u00fbres qui en effraient certains. L\u2019Inrae \u2013 Institut national de la recherche agronomique \u2013 et l\u2019universit\u00e9 de Tours ont d\u00e9pos\u00e9, cette semaine, un brevet d\u2019un vaccin par administration nasale. L\u2019injection, cens\u00e9e lutter contre le Covid-19, a \u00e9t\u00e9 test\u00e9e sur des souris et des hamsters dor\u00e9s. De premiers tests [&hellip;]<\/p>\n","protected":false},"author":82,"featured_media":20552,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[22,11,10],"tags":[111,725,29,2775,331],"class_list":["post-20553","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-divers","category-homepage-french","category-toutes-les-actualites","tag-africa-press","tag-africa-press-burkina-faso","tag-burkina-faso","tag-high-tech-et-internet","tag-sante"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.1 (Yoast SEO v27.0) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Covid-19\u00a0: vers un vaccin nasal fran\u00e7ais\u00a0? - Burkina Faso<\/title>\n<meta name=\"description\" content=\"Fini, les vilaines piq\u00fbres qui en effraient certains. L\u2019Inrae \u2013 Institut national de la recherche agronomique \u2013 et l\u2019uni ...\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.africa-press.net\/burkina-faso\/toutes-les-actualites\/covid-19-vers-un-vaccin-nasal-francais\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Covid-19\u00a0: vers un vaccin nasal fran\u00e7ais\u00a0?\" \/>\n<meta property=\"og:description\" content=\"Fini, les vilaines piq\u00fbres qui en effraient certains. L\u2019Inrae \u2013 Institut national de la recherche agronomique \u2013 et l\u2019uni ...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.africa-press.net\/burkina-faso\/toutes-les-actualites\/covid-19-vers-un-vaccin-nasal-francais\" \/>\n<meta property=\"og:site_name\" content=\"Burkina Faso\" \/>\n<meta property=\"article:published_time\" content=\"2021-09-12T15:47:09+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2021-09-13T20:03:31+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/static.africa-press.net\/burkina\/sites\/42\/2021\/09\/img-613e2a43de748.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"720\" \/>\n\t<meta property=\"og:image:height\" content=\"376\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"cfeditorfr\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"cfeditorfr\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.africa-press.net\/burkina-faso\/toutes-les-actualites\/covid-19-vers-un-vaccin-nasal-francais#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.africa-press.net\/burkina-faso\/toutes-les-actualites\/covid-19-vers-un-vaccin-nasal-francais\"},\"author\":{\"name\":\"cfeditorfr\",\"@id\":\"https:\/\/www.africa-press.net\/burkina-faso\/#\/schema\/person\/2b1cf3cd81a31e3cd26889ca66d677f1\"},\"headline\":\"Covid-19\u00a0: vers un vaccin nasal fran\u00e7ais\u00a0?\",\"datePublished\":\"2021-09-12T15:47:09+00:00\",\"dateModified\":\"2021-09-13T20:03:31+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.africa-press.net\/burkina-faso\/toutes-les-actualites\/covid-19-vers-un-vaccin-nasal-francais\"},\"wordCount\":431,\"commentCount\":0,\"image\":{\"@id\":\"https:\/\/www.africa-press.net\/burkina-faso\/toutes-les-actualites\/covid-19-vers-un-vaccin-nasal-francais#primaryimage\"},\"thumbnailUrl\":\"https:\/\/static.africa-press.net\/burkina\/sites\/42\/2021\/09\/img-613e2a43de748.jpg\",\"keywords\":[\"Africa Press\",\"Africa Press-Burkina Faso\",\"Burkina Faso\",\"High Tech et Internet\",\"sant\u00e9\"],\"articleSection\":[\"Divers\",\"homepage-french\",\"Toutes les actualit\u00e9s\"],\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/www.africa-press.net\/burkina-faso\/toutes-les-actualites\/covid-19-vers-un-vaccin-nasal-francais#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.africa-press.net\/burkina-faso\/toutes-les-actualites\/covid-19-vers-un-vaccin-nasal-francais\",\"url\":\"https:\/\/www.africa-press.net\/burkina-faso\/toutes-les-actualites\/covid-19-vers-un-vaccin-nasal-francais\",\"name\":\"Covid-19\u00a0: vers un vaccin nasal fran\u00e7ais\u00a0? - Burkina Faso\",\"isPartOf\":{\"@id\":\"https:\/\/www.africa-press.net\/burkina-faso\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.africa-press.net\/burkina-faso\/toutes-les-actualites\/covid-19-vers-un-vaccin-nasal-francais#primaryimage\"},\"image\":{\"@id\":\"https:\/\/www.africa-press.net\/burkina-faso\/toutes-les-actualites\/covid-19-vers-un-vaccin-nasal-francais#primaryimage\"},\"thumbnailUrl\":\"https:\/\/static.africa-press.net\/burkina\/sites\/42\/2021\/09\/img-613e2a43de748.jpg\",\"datePublished\":\"2021-09-12T15:47:09+00:00\",\"dateModified\":\"2021-09-13T20:03:31+00:00\",\"author\":{\"@id\":\"https:\/\/www.africa-press.net\/burkina-faso\/#\/schema\/person\/2b1cf3cd81a31e3cd26889ca66d677f1\"},\"description\":\"Fini, les vilaines piq\u00fbres qui en effraient certains. L\u2019Inrae \u2013 Institut national de la recherche agronomique \u2013 et l\u2019uni ...\",\"breadcrumb\":{\"@id\":\"https:\/\/www.africa-press.net\/burkina-faso\/toutes-les-actualites\/covid-19-vers-un-vaccin-nasal-francais#breadcrumb\"},\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.africa-press.net\/burkina-faso\/toutes-les-actualites\/covid-19-vers-un-vaccin-nasal-francais\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\/\/www.africa-press.net\/burkina-faso\/toutes-les-actualites\/covid-19-vers-un-vaccin-nasal-francais#primaryimage\",\"url\":\"https:\/\/static.africa-press.net\/burkina\/sites\/42\/2021\/09\/img-613e2a43de748.jpg\",\"contentUrl\":\"https:\/\/static.africa-press.net\/burkina\/sites\/42\/2021\/09\/img-613e2a43de748.jpg\",\"width\":720,\"height\":376,\"caption\":\"Covid-19\u00a0: vers un vaccin nasal fran\u00e7ais\u00a0?\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.africa-press.net\/burkina-faso\/toutes-les-actualites\/covid-19-vers-un-vaccin-nasal-francais#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Accueil\",\"item\":\"https:\/\/www.africa-press.net\/burkina-faso\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Covid-19\u00a0: vers un vaccin nasal fran\u00e7ais\u00a0?\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.africa-press.net\/burkina-faso\/#website\",\"url\":\"https:\/\/www.africa-press.net\/burkina-faso\/\",\"name\":\"Burkina Faso\",\"description\":\"Just another Africa News Agency Sites site\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.africa-press.net\/burkina-faso\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"fr-FR\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.africa-press.net\/burkina-faso\/#\/schema\/person\/2b1cf3cd81a31e3cd26889ca66d677f1\",\"name\":\"cfeditorfr\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"Covid-19\u00a0: vers un vaccin nasal fran\u00e7ais\u00a0? - Burkina Faso","description":"Fini, les vilaines piq\u00fbres qui en effraient certains. L\u2019Inrae \u2013 Institut national de la recherche agronomique \u2013 et l\u2019uni ...","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.africa-press.net\/burkina-faso\/toutes-les-actualites\/covid-19-vers-un-vaccin-nasal-francais","og_locale":"fr_FR","og_type":"article","og_title":"Covid-19\u00a0: vers un vaccin nasal fran\u00e7ais\u00a0?","og_description":"Fini, les vilaines piq\u00fbres qui en effraient certains. L\u2019Inrae \u2013 Institut national de la recherche agronomique \u2013 et l\u2019uni ...","og_url":"https:\/\/www.africa-press.net\/burkina-faso\/toutes-les-actualites\/covid-19-vers-un-vaccin-nasal-francais","og_site_name":"Burkina Faso","article_published_time":"2021-09-12T15:47:09+00:00","article_modified_time":"2021-09-13T20:03:31+00:00","og_image":[{"width":720,"height":376,"url":"https:\/\/static.africa-press.net\/burkina\/sites\/42\/2021\/09\/img-613e2a43de748.jpg","type":"image\/jpeg"}],"author":"cfeditorfr","twitter_card":"summary_large_image","twitter_misc":{"\u00c9crit par":"cfeditorfr","Dur\u00e9e de lecture estim\u00e9e":"2 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.africa-press.net\/burkina-faso\/toutes-les-actualites\/covid-19-vers-un-vaccin-nasal-francais#article","isPartOf":{"@id":"https:\/\/www.africa-press.net\/burkina-faso\/toutes-les-actualites\/covid-19-vers-un-vaccin-nasal-francais"},"author":{"name":"cfeditorfr","@id":"https:\/\/www.africa-press.net\/burkina-faso\/#\/schema\/person\/2b1cf3cd81a31e3cd26889ca66d677f1"},"headline":"Covid-19\u00a0: vers un vaccin nasal fran\u00e7ais\u00a0?","datePublished":"2021-09-12T15:47:09+00:00","dateModified":"2021-09-13T20:03:31+00:00","mainEntityOfPage":{"@id":"https:\/\/www.africa-press.net\/burkina-faso\/toutes-les-actualites\/covid-19-vers-un-vaccin-nasal-francais"},"wordCount":431,"commentCount":0,"image":{"@id":"https:\/\/www.africa-press.net\/burkina-faso\/toutes-les-actualites\/covid-19-vers-un-vaccin-nasal-francais#primaryimage"},"thumbnailUrl":"https:\/\/static.africa-press.net\/burkina\/sites\/42\/2021\/09\/img-613e2a43de748.jpg","keywords":["Africa Press","Africa Press-Burkina Faso","Burkina Faso","High Tech et Internet","sant\u00e9"],"articleSection":["Divers","homepage-french","Toutes les actualit\u00e9s"],"inLanguage":"fr-FR","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/www.africa-press.net\/burkina-faso\/toutes-les-actualites\/covid-19-vers-un-vaccin-nasal-francais#respond"]}]},{"@type":"WebPage","@id":"https:\/\/www.africa-press.net\/burkina-faso\/toutes-les-actualites\/covid-19-vers-un-vaccin-nasal-francais","url":"https:\/\/www.africa-press.net\/burkina-faso\/toutes-les-actualites\/covid-19-vers-un-vaccin-nasal-francais","name":"Covid-19\u00a0: vers un vaccin nasal fran\u00e7ais\u00a0? - Burkina Faso","isPartOf":{"@id":"https:\/\/www.africa-press.net\/burkina-faso\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.africa-press.net\/burkina-faso\/toutes-les-actualites\/covid-19-vers-un-vaccin-nasal-francais#primaryimage"},"image":{"@id":"https:\/\/www.africa-press.net\/burkina-faso\/toutes-les-actualites\/covid-19-vers-un-vaccin-nasal-francais#primaryimage"},"thumbnailUrl":"https:\/\/static.africa-press.net\/burkina\/sites\/42\/2021\/09\/img-613e2a43de748.jpg","datePublished":"2021-09-12T15:47:09+00:00","dateModified":"2021-09-13T20:03:31+00:00","author":{"@id":"https:\/\/www.africa-press.net\/burkina-faso\/#\/schema\/person\/2b1cf3cd81a31e3cd26889ca66d677f1"},"description":"Fini, les vilaines piq\u00fbres qui en effraient certains. L\u2019Inrae \u2013 Institut national de la recherche agronomique \u2013 et l\u2019uni ...","breadcrumb":{"@id":"https:\/\/www.africa-press.net\/burkina-faso\/toutes-les-actualites\/covid-19-vers-un-vaccin-nasal-francais#breadcrumb"},"inLanguage":"fr-FR","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.africa-press.net\/burkina-faso\/toutes-les-actualites\/covid-19-vers-un-vaccin-nasal-francais"]}]},{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/www.africa-press.net\/burkina-faso\/toutes-les-actualites\/covid-19-vers-un-vaccin-nasal-francais#primaryimage","url":"https:\/\/static.africa-press.net\/burkina\/sites\/42\/2021\/09\/img-613e2a43de748.jpg","contentUrl":"https:\/\/static.africa-press.net\/burkina\/sites\/42\/2021\/09\/img-613e2a43de748.jpg","width":720,"height":376,"caption":"Covid-19\u00a0: vers un vaccin nasal fran\u00e7ais\u00a0?"},{"@type":"BreadcrumbList","@id":"https:\/\/www.africa-press.net\/burkina-faso\/toutes-les-actualites\/covid-19-vers-un-vaccin-nasal-francais#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Accueil","item":"https:\/\/www.africa-press.net\/burkina-faso\/"},{"@type":"ListItem","position":2,"name":"Covid-19\u00a0: vers un vaccin nasal fran\u00e7ais\u00a0?"}]},{"@type":"WebSite","@id":"https:\/\/www.africa-press.net\/burkina-faso\/#website","url":"https:\/\/www.africa-press.net\/burkina-faso\/","name":"Burkina Faso","description":"Just another Africa News Agency Sites site","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.africa-press.net\/burkina-faso\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"fr-FR"},{"@type":"Person","@id":"https:\/\/www.africa-press.net\/burkina-faso\/#\/schema\/person\/2b1cf3cd81a31e3cd26889ca66d677f1","name":"cfeditorfr"}]}},"_links":{"self":[{"href":"https:\/\/www.africa-press.net\/burkina-faso\/wp-json\/wp\/v2\/posts\/20553","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.africa-press.net\/burkina-faso\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.africa-press.net\/burkina-faso\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.africa-press.net\/burkina-faso\/wp-json\/wp\/v2\/users\/82"}],"replies":[{"embeddable":true,"href":"https:\/\/www.africa-press.net\/burkina-faso\/wp-json\/wp\/v2\/comments?post=20553"}],"version-history":[{"count":0,"href":"https:\/\/www.africa-press.net\/burkina-faso\/wp-json\/wp\/v2\/posts\/20553\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.africa-press.net\/burkina-faso\/wp-json\/wp\/v2\/media\/20552"}],"wp:attachment":[{"href":"https:\/\/www.africa-press.net\/burkina-faso\/wp-json\/wp\/v2\/media?parent=20553"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.africa-press.net\/burkina-faso\/wp-json\/wp\/v2\/categories?post=20553"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.africa-press.net\/burkina-faso\/wp-json\/wp\/v2\/tags?post=20553"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}