{"id":8074,"date":"2016-11-30T14:58:03","date_gmt":"2016-11-30T13:58:03","guid":{"rendered":"https:\/\/staging.ggba.swiss\/decouverte-de-lepfl-pourrait-rendre-vaccins-plus-abordables\/"},"modified":"2023-07-04T13:43:01","modified_gmt":"2023-07-04T11:43:01","slug":"decouverte-de-lepfl-pourrait-rendre-vaccins-plus-abordables","status":"publish","type":"post","link":"https:\/\/staging.ggba.swiss\/fr\/decouverte-de-lepfl-pourrait-rendre-vaccins-plus-abordables\/","title":{"rendered":"Une d\u00e9couverte de l\u2019EPFL pourrait rendre les vaccins plus abordables"},"content":{"rendered":"

Le maintien de la cha\u00eene du froid, ou la n\u00e9cessit\u00e9 de conserver les vaccins \u00e0 une temp\u00e9rature comprise entre 2 et 8\u00b0C, repr\u00e9sente un d\u00e9fi logistique et \u00e9conomique consid\u00e9rable et serait m\u00eame, selon l\u2019Organisation mondiale de la sant\u00e9, l\u2019une des causes principales des faibles taux de couverture vaccinale dans les r\u00e9gions recul\u00e9es et les pays en voie de d\u00e9veloppement. \u00c0 l\u2019EPFL<\/a>, des chercheurs du Laboratoire des nanomat\u00e9riaux supramol\u00e9culaires (SUNMIL<\/a>), en collaboration avec des scientifiques de Milan, Turin, Leiden et de l\u2019Oregon, ont r\u00e9ussi \u00e0 stabiliser des vaccins \u00e0 temp\u00e9rature ambiante en rajoutant des additifs simples, biocompatibles et peu co\u00fbteux.<\/p>\n

L\u2019\u00e9tude concerne les vaccins dits \u00e0 vecteur viraux, dont la survie est de quelques jours seulement \u00e0 temp\u00e9rature ambiante. Pass\u00e9 ce d\u00e9lai, la structure des \u00e9l\u00e9ments viraux se d\u00e9fait, explique un communiqu\u00e9<\/a>. En utilisant tour \u00e0 tour d\u2019infimes quantit\u00e9s de nanoparticules, d\u2019infimes quantit\u00e9s de polym\u00e8res, et des quantit\u00e9s \u00e0 peine sup\u00e9rieures de saccharose (un sucre commun), les chercheurs sont parvenus \u00e0 conserver les doses \u00e0 temp\u00e9rature ambiante pendant plusieurs mois. Leur d\u00e9couverte a \u00e9t\u00e9 test\u00e9e avec succ\u00e8s sur un vaccin pour rongeurs, et la prochaine \u00e9tape consistera \u00e0 faire des tests plus approfondis sur des vaccins sp\u00e9cifiques, en m\u00e9langeant les diff\u00e9rents proc\u00e9d\u00e9s.<\/p>\n

Cette recherche, publi\u00e9e dans Nature Communications<\/a>, pourrait ouvrir de nouvelles perspectives dans l\u2019am\u00e9lioration de la couverture vaccinale dans les pays en voie de d\u00e9veloppement.<\/p>\n","protected":false},"excerpt":{"rendered":"

Des chercheurs de l\u2019EPFL ont d\u00e9velopp\u00e9 une m\u00e9thode pour conserver les vaccins \u00e0 temp\u00e9rature ambiante dans les pays en voie de d\u00e9veloppement.<\/p>\n","protected":false},"author":3,"featured_media":8075,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"mc4wp_mailchimp_campaign":[]},"categories":[842],"tags":[],"acf":[],"yoast_head":"\nUne d\u00e9couverte de l\u2019EPFL pourrait rendre les vaccins plus abordables - Greater Geneva Bern area<\/title>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Une d\u00e9couverte de l\u2019EPFL pourrait rendre les vaccins plus abordables - Greater Geneva Bern area\" \/>\n<meta property=\"og:description\" content=\"Des chercheurs de l\u2019EPFL ont d\u00e9velopp\u00e9 une m\u00e9thode pour conserver les vaccins \u00e0 temp\u00e9rature ambiante dans les pays en voie de d\u00e9veloppement.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/staging.ggba.swiss\/fr\/decouverte-de-lepfl-pourrait-rendre-vaccins-plus-abordables\/\" \/>\n<meta property=\"og:site_name\" content=\"Greater Geneva Bern area\" \/>\n<meta property=\"article:published_time\" content=\"2016-11-30T13:58:03+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2023-07-04T11:43:01+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/staging.ggba.swiss\/app\/uploads\/2023\/06\/RS7059_1510-PaxVax-Berna5694-V-V_366734-2.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1500\" \/>\n\t<meta property=\"og:image:height\" content=\"1092\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"mathieu\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"mathieu\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/staging.ggba.swiss\/fr\/decouverte-de-lepfl-pourrait-rendre-vaccins-plus-abordables\/\",\"url\":\"https:\/\/staging.ggba.swiss\/fr\/decouverte-de-lepfl-pourrait-rendre-vaccins-plus-abordables\/\",\"name\":\"Une d\u00e9couverte de l\u2019EPFL pourrait rendre les vaccins plus abordables - 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