{"id":217284,"date":"2021-08-16T22:14:41","date_gmt":"2021-08-16T21:14:41","guid":{"rendered":"https:\/\/www.realites.com.tn\/?p=217284"},"modified":"2021-08-16T22:14:41","modified_gmt":"2021-08-16T21:14:41","slug":"covid-19-le-vaccin-moderna-plus-efficace-que-pfizer-contre-linfection-au-variant-delta%e2%80%af","status":"publish","type":"post","link":"https:\/\/realites.com.tn\/fr\/covid-19-le-vaccin-moderna-plus-efficace-que-pfizer-contre-linfection-au-variant-delta%e2%80%af\/","title":{"rendered":"Covid-19 : le vaccin Moderna plus efficace que Pfizer contre l\u2019infection au variant delta\u202f?"},"content":{"rendered":"<div>D\u2019apr\u00e8s une r\u00e9cente \u00e9tude am\u00e9ricaine, le vaccin de Moderna serait efficace \u00e0 76 % pour \u00e9viter les infections au variant Delta, contre 42 % pour Pfizer. Les deux produits restent en revanche efficaces pour lutter contre les formes graves.<\/div>\n<div>Selon une nouvelle \u00e9tude am\u00e9ricaine men\u00e9e par le Mayo Clinic, une f\u00e9d\u00e9ration hospitalo-universitaire am\u00e9ricaine, les vaccins \u00e0 ARN messager Pfizer et Moderna n\u2019offriraient pas la m\u00eame protection face au variant Delta, d\u00e9sormais majoritaire, y compris en France. Ainsi que le r\u00e9v\u00e8le le journal Le Monde, Moderna serait notamment bien plus efficace que Pfizer pour limiter les risques de contamination chez les personnes vaccin\u00e9es.<\/div>\n<div>Dans une pr\u00e9publication post\u00e9e le 9 ao\u00fbt sur le portail MedRxiv, en conclusion d\u2019une \u00e9tude au cours de laquelle les scientifiques ont suivi de janvier \u00e0 juillet 25 000 personnes vaccin\u00e9es et non vaccin\u00e9es dans le Minnesota, ils confirment que les deux vaccins pr\u00e9sentent des r\u00e9sultats quasi \u00e9quivalents face au variant alpha : le Pfizer prot\u00e8ge \u00e0 85 % contre les formes graves et les hospitalisations et \u00e0 76 % contre les infections. Pour Moderna, ces taux atteignent 92 % contre les formes graves et 86 % face aux infections.<\/div>\n<div><\/div>\n<div><strong>*Efficacit\u00e9 pour \u00e9viter l\u2019hospitalisation<\/strong><\/div>\n<div>La donne change compl\u00e8tement face au variant Delta. Concernant les formes graves, les vaccins de Pfizer et de Moderna restent tr\u00e8s efficaces pour \u00e9viter les hospitalisations : 75 % pour Pfizer, 81 % pour Moderna. En revanche, la protection contre l\u2019infection \u00e0 Delta offerte par Pfizer n\u2019atteint que 42 %, l\u00e0 o\u00f9 elle s\u2019\u00e9l\u00e8ve \u00e0 76 % pour Moderna.<\/div>\n<div>Selon les chercheurs, \u00ab le risque d\u2019infection en juillet apr\u00e8s une vaccination compl\u00e8te avec Moderna est environ 60 % plus faible qu\u2019apr\u00e8s une vaccination compl\u00e8te avec Pfizer \u00bb.<\/div>\n<div>Des \u00e9tudes compl\u00e9mentaires sont en cours pour confirmer ces r\u00e9sultats et pour \u00e9tudier plus pr\u00e9cis\u00e9ment la durabilit\u00e9 et l\u2019efficacit\u00e9 de ces vaccins face au variant Delta. Leurs donn\u00e9es pourraient permettre aux laboratoires d\u2019\u00e9laborer de futurs vaccins plus efficaces.<\/div>\n<div>En France, depuis le d\u00e9but de la campagne de vaccination, plus de 63,2 millions de doses de vaccin Pfizer ont \u00e9t\u00e9 inject\u00e9es, contre seulement 7,8 millions de Moderna.<\/div>\n<div style=\"text-align: right\">(Sud-Ouest)<\/div>\n","protected":false},"excerpt":{"rendered":"<p>D\u2019apr\u00e8s une r\u00e9cente \u00e9tude am\u00e9ricaine, le vaccin de Moderna serait efficace \u00e0 76 % pour \u00e9viter les infections au variant Delta, contre 42 % pour Pfizer. Les deux produits restent&hellip;<\/p>\n","protected":false},"author":60,"featured_media":217285,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_lmt_disableupdate":"","_lmt_disable":"","_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[7],"tags":[],"class_list":["post-217284","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-monde"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Covid-19 : le vaccin Moderna plus efficace que Pfizer contre l\u2019infection au variant delta\u202f? - R\u00e9alit\u00e9s Magazine<\/title>\n<meta name=\"description\" content=\"D\u2019apr\u00e8s une r\u00e9cente \u00e9tude am\u00e9ricaine, le vaccin de Moderna serait efficace \u00e0 76 % pour \u00e9viter les infections au variant Delta, contre 42 % pour Pfizer.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/realites.com.tn\/fr\/covid-19-le-vaccin-moderna-plus-efficace-que-pfizer-contre-linfection-au-variant-delta\u202f\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Covid-19 : le vaccin Moderna plus efficace que Pfizer contre l\u2019infection au variant delta\u202f? 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