{"id":11046,"date":"2025-10-27T19:52:36","date_gmt":"2025-10-27T18:52:36","guid":{"rendered":"https:\/\/rvh-synergie.org\/actualites\/de-nouvelles-donnees-pour-2025-montrent-que-les-vaccins-contre-la-covid-19-continuent-doffrir-une-protection-efficace-et-durable\/"},"modified":"2025-10-27T19:52:39","modified_gmt":"2025-10-27T18:52:39","slug":"de-nouvelles-donnees-pour-2025-montrent-que-les-vaccins-contre-la-covid-19-continuent-doffrir-une-protection-efficace-et-durable","status":"publish","type":"post","link":"https:\/\/rvh-synergie.org\/actualites\/de-nouvelles-donnees-pour-2025-montrent-que-les-vaccins-contre-la-covid-19-continuent-doffrir-une-protection-efficace-et-durable\/","title":{"rendered":"De nouvelles donn\u00e9es pour 2025 montrent que les vaccins contre la COVID-19 continuent d\u2019offrir une protection efficace et durable"},"content":{"rendered":"<div>\n<div class=\"article-gallery lightGallery\">\n<div data-thumb=\"https:\/\/scx1.b-cdn.net\/csz\/news\/tmb\/2018\/2-vaccine.jpg\" data-src=\"https:\/\/scx2.b-cdn.net\/gfx\/news\/hires\/2018\/2-vaccine.jpg\" data-sub-html=\"Credit: CC0 Public Domain\">\n<figure class=\"article-img\">\n<\/figure><\/div>\n<\/div>\n<p>Selon une nouvelle \u00e9tude publi\u00e9e dans <i>JAMA M\u00e9decine Interne<\/i>.<\/p>\n<p>Les donn\u00e9es de cette nouvelle \u00e9tude montrent que les vaccins contre la COVID-19 pour 2024-2025 offrent une protection similaire \u00e0 la formulation pr\u00e9c\u00e9dente. Ils se sont r\u00e9v\u00e9l\u00e9s plus protecteurs quatre semaines apr\u00e8s la vaccination, offrant une efficacit\u00e9 de 44,7 % contre l\u2019infection, une efficacit\u00e9 de 45,1 % contre les visites aux urgences et une efficacit\u00e9 de 57,5 \u200b\u200b% contre l\u2019hospitalisation ou le d\u00e9c\u00e8s.<\/p>\n<p>La protection contre chaque r\u00e9sultat a diminu\u00e9 avec le temps, diminuant 10 semaines apr\u00e8s la vaccination \u00e0 35,5 % d\u2019efficacit\u00e9 contre l\u2019infection, 42,9 % d\u2019efficacit\u00e9 contre les visites aux urgences et 49,7 % d\u2019efficacit\u00e9 contre l\u2019hospitalisation ou le d\u00e9c\u00e8s. \u00c0 20 semaines, la protection est tomb\u00e9e \u00e0 16,7 % d\u2019efficacit\u00e9 contre l\u2019infection, \u00e0 39,1 % d\u2019efficacit\u00e9 contre les visites aux urgences et \u00e0 34,0 % d\u2019efficacit\u00e9 contre l\u2019hospitalisation ou le d\u00e9c\u00e8s.<\/p>\n<p>Les comparaisons entre diff\u00e9rentes sous-variantes d\u2019omicron ont montr\u00e9 une efficacit\u00e9 similaire.<\/p>\n<p>Danyu Lin, Ph.D., professeur \u00e9m\u00e9rite Dennis Gillings au D\u00e9partement de biostatistique de la Gillings School, est l&rsquo;auteur principal de l&rsquo;\u00e9tude. Les co-auteurs suppl\u00e9mentaires incluent Yi Du, Ph.D., et Sai Paritala, PharmD, du minist\u00e8re de la Sant\u00e9 et des Services sociaux du Nebraska ; Yangjianchen Xu de l&rsquo;Universit\u00e9 de Waterloo; et Patrick Maloney, Ph.D., du centre m\u00e9dical de l&rsquo;Universit\u00e9 du Nebraska.<\/p>\n<p>\u00ab Le COVID-19 provoque encore de nombreuses maladies graves \u00bb, a d\u00e9clar\u00e9 Lin. \u00ab Notre \u00e9tude a montr\u00e9 que les vaccins contre la COVID-19 de 2024 \u00e0 2025 \u00e9taient efficaces, en particulier contre les cons\u00e9quences graves, bien que leur efficacit\u00e9 ait diminu\u00e9 avec le temps. Ainsi, il est b\u00e9n\u00e9fique d&rsquo;avoir une vaccination annuelle contre la COVID-19, en particulier pour les personnes pr\u00e9sentant un risque \u00e9lev\u00e9 de cons\u00e9quences graves. Les sous-variantes comme les vaccins 2024-2025 auront probablement une efficacit\u00e9 similaire.<\/p>\n<p>Les vaccins contre le COVID-19 sont disponibles pour la plupart des Am\u00e9ricains de 65 ans et plus, ainsi que pour ceux \u00e2g\u00e9s de 18 \u00e0 64 ans pr\u00e9sentant des probl\u00e8mes de sant\u00e9 qui les exposent \u00e0 un risque plus \u00e9lev\u00e9 de maladie grave due au COVID-19. Certaines de ces conditions comprennent l&rsquo;asthme, le diab\u00e8te, l&rsquo;ob\u00e9sit\u00e9, la grossesse, les maladies cardiaques, le cancer et le tabagisme (actuel ou ancien). Pour la liste compl\u00e8te, veuillez visiter le site Web des Centers for Disease Control and Prevention.<\/p>\n<p>                                        <!-- print only --><\/p><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Selon une nouvelle \u00e9tude publi\u00e9e dans JAMA M\u00e9decine Interne. Les donn\u00e9es de cette nouvelle \u00e9tude<\/p>\n","protected":false},"author":1,"featured_media":11047,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[86],"tags":[1593,90,561,7357,98,1355,206,49,99,1189,8,1116,47,514],"class_list":["post-11046","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-les-maladies","tag-continuent","tag-contre","tag-covid19","tag-doffrir","tag-donnees","tag-durable","tag-efficace","tag-les","tag-montrent","tag-nouvelles","tag-pour","tag-protection","tag-une","tag-vaccins","generate-columns","tablet-grid-50","mobile-grid-100","grid-parent","grid-50","resize-featured-image"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>De nouvelles donn\u00e9es pour 2025 montrent que les vaccins contre la COVID-19 continuent d\u2019offrir une protection efficace et durable - RVH-Synergie.org<\/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:\/\/rvh-synergie.org\/actualites\/de-nouvelles-donnees-pour-2025-montrent-que-les-vaccins-contre-la-covid-19-continuent-doffrir-une-protection-efficace-et-durable\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"De nouvelles donn\u00e9es pour 2025 montrent que les vaccins contre la COVID-19 continuent d\u2019offrir une protection efficace et durable - RVH-Synergie.org\" \/>\n<meta property=\"og:description\" content=\"Selon une nouvelle \u00e9tude publi\u00e9e dans JAMA M\u00e9decine Interne. 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