{"id":9082,"date":"2021-02-08T12:28:45","date_gmt":"2021-02-08T11:28:45","guid":{"rendered":"https:\/\/www.culturalusa.com\/news\/?p=9082"},"modified":"2021-02-08T12:31:24","modified_gmt":"2021-02-08T11:31:24","slug":"loms-examine-le-vaccin-dastrazeneca-questions-sur-son-efficacite","status":"publish","type":"post","link":"https:\/\/www.culturalusa.com\/news\/technologie\/loms-examine-le-vaccin-dastrazeneca-questions-sur-son-efficacite\/","title":{"rendered":"L&rsquo;OMS examine le vaccin d&rsquo;AstraZeneca, questions sur son efficacit\u00e9"},"content":{"rendered":"<p>CoronaVirus: les experts de l&rsquo;Organisation mondiale de la Sant\u00e9 (OMS) <strong>examinent lundi le vaccin anti-Covid-19 d&rsquo;AstraZeneca et Oxford<\/strong>, au moment o\u00f9 est <strong>mise en question son efficacit\u00e9 pour les plus \u00e2g\u00e9s<\/strong> et contre le variant sud-africain du virus, l&rsquo;Afrique du Sud allant m\u00eame jusqu&rsquo;\u00e0 suspendre sa campagne d&rsquo;immunisation.<\/p>\n<blockquote><p>Le vaccin AstraZeneca\/Oxford, que le Royaume-Uni a \u00e9t\u00e9 le premier \u00e0 administrer massivement \u00e0 sa population d\u00e8s d\u00e9cembre, a d\u00e9j\u00e0 \u00e9t\u00e9 approuv\u00e9 par plusieurs autres pays et par l&rsquo;Union europ\u00e9enne. <span style=\"color: #800000;\">Mais certains gouvernements ont pr\u00e9f\u00e9r\u00e9 le recommander uniquement pour les moins de 65 ans voire 55 ans<\/span>, faute de donn\u00e9es suffisantes sur son efficacit\u00e9 pour les personnes plus \u00e2g\u00e9es.<\/p><\/blockquote>\n<h3>Et dimanche, l&rsquo;Afrique du Sud a suspendu le d\u00e9marrage de son programme de vaccination contre le Covid-19, qui devait avoir lieu dans les prochains jours avec un million de vaccins Oxford\/AstraZeneca, apr\u00e8s une \u00e9tude r\u00e9v\u00e9lant une efficacit\u00e9 \u00ab\u00a0limit\u00e9e\u00a0\u00bb contre le variant local du virus.<\/h3>\n<p>Selon les premiers r\u00e9sultats de cette \u00e9tude, ce vaccin est efficace \u00e0 seulement 22% contre les formes mod\u00e9r\u00e9es du variant sud-africain. Aucun r\u00e9sultat n&rsquo;est encore disponible sur son efficacit\u00e9 contre les formes graves.<\/p>\n<h3>Transmissible aux d\u00e9j\u00e0 vaccin\u00e9s<\/h3>\n<p><strong>\u00ab\u00a0Les premiers r\u00e9sultats semblent confirmer que la mutation du virus d\u00e9tect\u00e9e en Afrique du Sud peut se transmettre \u00e0 la population d\u00e9j\u00e0 vaccin\u00e9e\u00a0\u00bb<\/strong>, indique un communiqu\u00e9 sur cette \u00e9tude de l&rsquo;universit\u00e9 du Witwatersrand \u00e0 Johannesburg, qui n&rsquo;a pas encore \u00e9t\u00e9 examin\u00e9e par des pairs.<\/p>\n<p><strong>\u00ab\u00a0Nous pensons que notre vaccin prot\u00e9gera quand m\u00eame contre les formes graves de la maladie\u00a0\u00bb<\/strong>, a affirm\u00e9 pour sa part un porte-parole d&rsquo;AstraZeneca, contact\u00e9 par l&rsquo;AFP.<\/p>\n<blockquote><p>Lundi, le comit\u00e9 strat\u00e9gique des experts en immunisation de l&rsquo;OMS se r\u00e9unit en visioconf\u00e9rence pour formuler des recommandations provisoires quant \u00e0 l&rsquo;utilisation de ce vaccin. \u00ab\u00a0Une attention particuli\u00e8re sera donn\u00e9e \u00e0 la discussion sur l&rsquo;utilisation du vaccin sur les adultes les plus \u00e2g\u00e9s\u00a0\u00bb, pr\u00e9cise l&rsquo;agenda de l&rsquo;OMS.<\/p><\/blockquote>\n<p><strong>Avec une efficacit\u00e9 moyenne pour l&rsquo;heure de 70%, le vaccin d&rsquo;AstraZeneca\/Oxford est moins probant pour l&rsquo;instant que ceux de Pfizer\/BioNTech ou de Moderna<\/strong>, dont l&rsquo;efficacit\u00e9 d\u00e9passe les 90%. Mais ce vaccin utilise une technologie plus traditionnelle que ces deux concurrents, ce qui le rend moins co\u00fbteux, plus facile \u00e0 stocker puisqu&rsquo;il peut \u00eatre conserv\u00e9 dans des r\u00e9frig\u00e9rateurs et non \u00e0 tr\u00e8s basse temp\u00e9rature, et donc plus adapt\u00e9 \u00e0 des campagnes de vaccination massives.<\/p>\n<p>La pand\u00e9mie du nouveau coronavirus a fait au moins 2,31 millions de morts dans le monde depuis que le bureau de l&rsquo;OMS en Chine a fait \u00e9tat de l&rsquo;apparition de la maladie fin d\u00e9cembre 2019, selon un bilan \u00e9tabli par l&rsquo;AFP \u00e0 partir de sources officielles dimanche \u00e0 11H00 GMT. Plus de 105,7 millions de cas ont \u00e9t\u00e9 diagnostiqu\u00e9s.<\/p>\n<h3>D\u00e9confinement en Isra\u00ebl<\/h3>\n<p>Certains pays entrevoient toutefois une lueur d&rsquo;espoir. Isra\u00ebl, qui a d\u00e9j\u00e0 vaccin\u00e9 plus de 40% de sa population, a commenc\u00e9 dimanche \u00e0 sortir de son troisi\u00e8me confinement. Les Isra\u00e9liens peuvent d\u00e9sormais se d\u00e9placer au-del\u00e0 d&rsquo;un kilom\u00e8tre de leur domicile, les commerces \u00ab\u00a0non essentiels\u00a0\u00bb, les r\u00e9serves naturelles et parcs nationaux ont rouvert, tout comme les chambres d&rsquo;h\u00f4tes.<\/p>\n<p>\u00ab\u00a0J&rsquo;ai inform\u00e9 mes clients que nous reprenions le travail. Les clients vont bient\u00f4t arriver et nous esp\u00e9rons que c&rsquo;est la fin de cette saga\u00a0\u00bb, se r\u00e9jouissait dimanche matin Eli Aroas, un barbier de 58 ans \u00e0 J\u00e9rusalem, en attendant de pouvoir ressortir ses ciseaux et ses tondeuses.<\/p>\n<p>En Jordanie voisine, des centaines de milliers d&rsquo;\u00e9l\u00e8ves ont repris dimanche le chemin de l&rsquo;\u00e9cole, apr\u00e8s un an de fermeture, \u00e0 la faveur d&rsquo;une accalmie de l&rsquo;\u00e9pid\u00e9mie.<\/p>\n<p>\u00ab\u00a0Je suis tr\u00e8s contente car j&rsquo;ai revu mes copines et mon professeur. On a eu cours, on a bavard\u00e9, on a jou\u00e9 et on a mang\u00e9 ensemble\u00a0\u00bb, racontait tout sourire Mecca, 7 ans, \u00e9l\u00e8ve d&rsquo;un coll\u00e8ge musulman pour filles \u00e0 Amman. \u00ab\u00a0A la maison je m&rsquo;ennuyais, \u00eatre \u00e0 l&rsquo;\u00e9cole, c&rsquo;est bien mieux\u00a0\u00bb.<\/p>\n<p>L&rsquo;Autriche aussi assouplit lundi son confinement, avec la r\u00e9ouverture des \u00e9coles, mus\u00e9es et magasins. Les \u00e9coles primaires rouvrent \u00e9galement au Danemark et aux Pays-Bas. Au Qu\u00e9bec, ce sont les mus\u00e9es et les commerces \u00ab\u00a0non essentiels\u00a0\u00bb qui peuvent accueillir \u00e0 nouveau le public.<\/p>\n<p>En R\u00e9publique tch\u00e8que, qui enregistre un des pires taux de d\u00e9c\u00e8s en Europe par rapport au nombre d&rsquo;habitants, la ministre du Travail Jana Malacova a estim\u00e9 dimanche que les effets de la pand\u00e9mie de Covid-19 \u00e9taient pires que ceux de la Deuxi\u00e8me Guerre mondiale.<\/p>\n<p>\u00ab\u00a0M\u00eame la Seconde Guerre mondiale n&rsquo;a pas caus\u00e9 autant de perturbations que le Covid. Les enfants allaient \u00e0 l&rsquo;\u00e9cole\u00a0\u00bb, a d\u00e9clar\u00e9 la ministre. Le Covid-19 \u00ab\u00a0est une maladie qui a mis le pays \u00e0 l&rsquo;arr\u00eat pendant un an, toute l&rsquo;\u00e9conomie est \u00e0 la peine\u00a0\u00bb, a-t-elle soulign\u00e9. (AFP)<\/p>\n","protected":false},"excerpt":{"rendered":"<p>CoronaVirus: les experts de l&rsquo;Organisation mondiale de la Sant\u00e9 (OMS) examinent lundi le vaccin anti-Covid-19 d&rsquo;AstraZeneca et Oxford, au moment o\u00f9 est mise en question son efficacit\u00e9 pour les plus \u00e2g\u00e9s et contre le variant sud-africain du virus, l&rsquo;Afrique du Sud allant m\u00eame jusqu&rsquo;\u00e0 suspendre sa campagne d&rsquo;immunisation. Le vaccin AstraZeneca\/Oxford, que le Royaume-Uni a [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":8467,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[1336,1244,1269],"class_list":["post-9082","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-technologie","tag-astrazeneca","tag-vaccin","tag-vaccin-anti-covid-19"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"CoronaVirus: les experts de l&#039;Organisation mondiale de la Sant\u00e9 (OMS) examinent lundi le vaccin anti-Covid-19 d&#039;AstraZeneca et Oxford, au moment o\u00f9 est mise en question son efficacit\u00e9 pour les plus \u00e2g\u00e9s et contre le variant sud-africain du virus, l&#039;Afrique du Sud allant m\u00eame jusqu&#039;\u00e0 suspendre sa campagne d&#039;immunisation. 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