{"id":219457,"date":"2021-09-18T19:26:52","date_gmt":"2021-09-18T18:26:52","guid":{"rendered":"https:\/\/www.realites.com.tn\/?p=219457"},"modified":"2021-09-18T19:26:52","modified_gmt":"2021-09-18T18:26:52","slug":"covid-19-le-vaccin-de-moderna-serait-superieur-a-celui-de-pfizer-contre-les-formes-graves","status":"publish","type":"post","link":"https:\/\/realites.com.tn\/fr\/covid-19-le-vaccin-de-moderna-serait-superieur-a-celui-de-pfizer-contre-les-formes-graves\/","title":{"rendered":"Covid-19 : le vaccin de Moderna serait sup\u00e9rieur \u00e0 celui de Pfizer contre les formes graves"},"content":{"rendered":"<div>Les personnes ayant b\u00e9n\u00e9fici\u00e9 du vaccin de Moderna b\u00e9n\u00e9ficieraient d&rsquo;une meilleure protection que celles ayant \u00e9t\u00e9 vaccin\u00e9s avec le s\u00e9rum Pfizer, conclut une \u00e9tude publi\u00e9e ce vendredi par la principale agence sanitaire des \u00c9tats-Unis. Pour aboutir \u00e0 ces conclusions, les chercheurs des Centres de pr\u00e9vention et de lutte contre les maladies (CDC) ont analys\u00e9 un \u00e9chantillon de pr\u00e8s de 3700 adultes hospitalis\u00e9s pour un Covid-19 associ\u00e9 \u00e0 des sympt\u00f4mes graves, entre le 11 mars et le 15 ao\u00fbt 2021, soit une p\u00e9riode qui pr\u00e9c\u00e8de et inclut la pr\u00e9dominance du variant Delta.<\/div>\n<div>Sur cette dur\u00e9e, le vaccin de Moderna s&rsquo;est r\u00e9v\u00e9l\u00e9 efficace \u00e0 93% contre les hospitalisations, celui de Pfizer efficace \u00e0 88% et celui de Johnson &amp; Johnson efficace \u00e0 68%.<\/div>\n<div>La perte d&rsquo;efficacit\u00e9 du vaccin de Pfizer au fil du temps contre les formes graves est particuli\u00e8rement notable : son taux d&rsquo;efficacit\u00e9 passe de 91% sur la p\u00e9riode de 14 \u00e0 120 jours apr\u00e8s l&rsquo;injection \u00e0 77% pour la p\u00e9riode apr\u00e8s 120 jours. En comparaison sur les m\u00eames p\u00e9riodes, le taux d&rsquo;efficacit\u00e9 du vaccin de Moderna passe de 93% \u00e0 92%.<\/div>\n<div dir=\"ltr\">\n<div>\n<div>Plusieurs \u00e9tudes r\u00e9centes vont dans le m\u00eame sens, confirmant l&rsquo;apparente sup\u00e9riorit\u00e9 du vaccin de Moderna sur celui de Pfizer. En ao\u00fbt, une \u00e9tude britannique avait par ailleurs montr\u00e9 que l&rsquo;efficacit\u00e9 du vaccin de Pfizer baisserait plus vite que celle d&rsquo;AstraZeneca.<\/div>\n<div style=\"text-align: right\"><span style=\"text-transform: initial\">(LCI)<\/span><\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Les personnes ayant b\u00e9n\u00e9fici\u00e9 du vaccin de Moderna b\u00e9n\u00e9ficieraient d&rsquo;une meilleure protection que celles ayant \u00e9t\u00e9 vaccin\u00e9s avec le s\u00e9rum Pfizer, conclut une \u00e9tude publi\u00e9e ce vendredi par la principale&hellip;<\/p>\n","protected":false},"author":60,"featured_media":219458,"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-219457","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 - 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