{"id":224595,"date":"2021-12-01T01:00:50","date_gmt":"2021-12-01T00:00:50","guid":{"rendered":"https:\/\/www.realites.com.tn\/?p=224595"},"modified":"2021-12-01T01:00:50","modified_gmt":"2021-12-01T00:00:50","slug":"pfizer-et-johnsonjohnson-travaillent-a-un-vaccin-adapte-au-variant-omicron","status":"publish","type":"post","link":"https:\/\/realites.com.tn\/fr\/pfizer-et-johnsonjohnson-travaillent-a-un-vaccin-adapte-au-variant-omicron\/","title":{"rendered":"Pfizer et Johnson&amp;Johnson travaillent \u00e0 un vaccin adapt\u00e9 au variant Omicron"},"content":{"rendered":"<div>\n<div>Dans l\u2019hypoth\u00e8se o\u00f9 les vaccins actuels ne seraient pas suffisamment efficaces contre le variant Omicron, les laboratoires Pfizer et Johnson &amp; Johnson (J &amp; J) ont indiqu\u00e9 lundi avoir commenc\u00e9 \u00e0 travailler sur une nouvelle version de leur vaccin contre le coronavirus, comme Moderna, ciblant plus sp\u00e9cifiquement ce nouveau variant.<\/div>\n<div>\u00ab Il y a encore beaucoup d\u2019inconnues \u00bb autour du nouveau variant d\u00e9tect\u00e9 en Afrique du Sud et jug\u00e9 \u00ab pr\u00e9occupant \u00bb par l\u2019OMS, a relev\u00e9 dans un entretien sur la cha\u00eene am\u00e9ricaine CNBC le patron de Pfizer, Albert Bourla. \u00ab Nous saurons l\u2019essentiel de ce qu\u2019il y a \u00e0 savoir d\u2019ici quelques semaines. \u00bb<\/div>\n<div><\/div>\n<div><strong>*Des versions contre les variants Delta et Beta<\/strong><\/div>\n<div>Il faut notamment d\u2019abord mener des tests pour \u00e9valuer l\u2019efficacit\u00e9 des vaccins actuels contre Omicron. Mais \u00ab si le vaccin (actuel) prot\u00e8ge moins et que nous avons besoin de cr\u00e9er un nouveau vaccin, nous avons commenc\u00e9 \u00e0 travailler dessus vendredi, nous avons fait notre premier mod\u00e8le d\u2019ADN, qui est la premi\u00e8re \u00e9tape du d\u00e9veloppement d\u2019un nouveau vaccin \u00bb, a expliqu\u00e9 Albert Bourla. Pfizer a d\u00e9j\u00e0 cr\u00e9\u00e9 par le pass\u00e9 deux nouvelles versions de son vaccin en moins de cent jours, contre les variants Delta et Beta, qui n\u2019ont finalement pas \u00e9t\u00e9 utilis\u00e9es.<\/div>\n<div>Au besoin, \u00ab en 95 jours, nous aurons le nouveau vaccin \u00bb contre Omicron, a assur\u00e9 le dirigeant. Son groupe a les capacit\u00e9s de produire au besoin quatre milliards de doses l\u2019an prochain, a-t-il aussi affirm\u00e9. J &amp; J a de son c\u00f4t\u00e9 indiqu\u00e9 dans un communiqu\u00e9 \u00ab \u00eatre en train d\u2019\u00e9valuer l\u2019efficacit\u00e9 de son vaccin contre le Covid-19 face aux variants \u00bb, y compris Omicron. Parall\u00e8lement, le groupe est \u00ab en train de travailler sur un vaccin plus sp\u00e9cifique \u00e0 Omicron, qu\u2019il d\u00e9veloppera au besoin \u00bb.<\/div>\n<div><\/div>\n<div><strong>*Pfizer \u00ab tr\u00e8s tr\u00e8s confiant \u00bb<\/strong><\/div>\n<div>Le laboratoire \u00ab reste confiant \u00bb dans la r\u00e9ponse immunitaire \u00e0 son vaccin actuel \u00e0 une seule dose face aux divers variants, a assur\u00e9 Mathai Mammen, en charge de la recherche chez Janssen, la filiale de J &amp; J d\u00e9veloppant le vaccin. Mais J &amp; J pourra \u00ab rapidement \u00bb engager des essais cliniques s\u2019il le faut, a-t-il ajout\u00e9. Le laboratoire Moderna, qui produit aussi un vaccin contre le Covid-19, avait d\u00e9j\u00e0 annonc\u00e9 vendredi son intention de d\u00e9velopper une dose de rappel sp\u00e9cifique pour Omicron. Le PDG de Pfizer assure lui aussi \u00eatre \u00ab assez confiant \u00bb dans le vaccin distribu\u00e9 actuellement, \u00ab car nous sommes parvenus au bon dosage d\u00e8s le d\u00e9but \u00bb.<\/div>\n<div>La pilule anti-Covid d\u00e9velopp\u00e9e par Pfizer pour traiter la maladie, qui a d\u00e9montr\u00e9 une efficacit\u00e9 de 89 % contre les hospitalisations et d\u00e9c\u00e8s lors d\u2019essais cliniques, a par ailleurs \u00ab \u00e9t\u00e9 d\u00e9velopp\u00e9e avec l\u2019id\u00e9e \u00bb que des mutations du virus allaient appara\u00eetre, a relev\u00e9 Albert Bourla. \u00ab Je suis tr\u00e8s, tr\u00e8s confiant en la capacit\u00e9 (de la pilule) \u00e0 fonctionner avec toutes les mutations, y compris Omicron \u00bb, a-t-il affirm\u00e9. \u00ab Il faut garder \u00e0 l\u2019esprit (\u2026) que la situation est diff\u00e9rente quand vous avez un traitement \u00bb qui permet de r\u00e9duire de dix \u00e0 un le nombre de personnes allant \u00e0 l\u2019h\u00f4pital, a-t-il ajout\u00e9.<\/div>\n<div style=\"text-align: right\">(AFP)<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Dans l\u2019hypoth\u00e8se o\u00f9 les vaccins actuels ne seraient pas suffisamment efficaces contre le variant Omicron, les laboratoires Pfizer et Johnson &amp; Johnson (J &amp; J) ont indiqu\u00e9 lundi avoir commenc\u00e9&hellip;<\/p>\n","protected":false},"author":60,"featured_media":224596,"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-224595","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>Pfizer et Johnson&amp;Johnson travaillent \u00e0 un vaccin adapt\u00e9 au variant Omicron - R\u00e9alit\u00e9s Magazine<\/title>\n<meta name=\"description\" content=\"Dans l\u2019hypoth\u00e8se o\u00f9 les vaccins actuels ne seraient pas suffisamment efficaces contre le variant Omicron, les laboratoires Pfizer et Johnson &amp; Johnson\" \/>\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\/pfizer-et-johnsonjohnson-travaillent-a-un-vaccin-adapte-au-variant-omicron\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Pfizer et Johnson&amp;Johnson travaillent \u00e0 un vaccin adapt\u00e9 au variant Omicron - R\u00e9alit\u00e9s Magazine\" \/>\n<meta property=\"og:description\" content=\"Dans l\u2019hypoth\u00e8se o\u00f9 les vaccins actuels ne seraient pas suffisamment efficaces contre le variant Omicron, les laboratoires Pfizer et Johnson &amp; 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