{"id":26603,"date":"2021-02-12T09:22:46","date_gmt":"2021-02-12T09:22:46","guid":{"rendered":"http:\/\/www.africanchallenges.com\/?p=26603"},"modified":"2021-02-12T09:25:28","modified_gmt":"2021-02-12T09:25:28","slug":"coronavirus-loms-tente-de-calmer-les-inquietudes-concernant-lefficacite-du-vaccin-astrazeneca","status":"publish","type":"post","link":"https:\/\/www.africanchallenges.com\/?p=26603","title":{"rendered":"Coronavirus : l&rsquo;OMS tente de calmer les inqui\u00e9tudes concernant l&rsquo;efficacit\u00e9 du vaccin AstraZeneca"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Au cours d&rsquo;une conf\u00e9rence de presse, &nbsp;tenue hier mercredi 10 f\u00e9vrier 2021, \u00e0 Gen\u00e8ve, le pr\u00e9sident du Groupe strat\u00e9gique consultatif d&rsquo;experts sur la vaccination (SAGE) de l\u2019OMS, Dr Alejandro Cravioto, a d\u00e9clar\u00e9 que <strong><em>\u00ab m\u00eame si un variant circule dans un pays, nous ne voyons aucune raison pour l&rsquo;instant de ne pas utiliser le vaccin d\u2019AstraZeneca comme indiqu\u00e9, pour pouvoir r\u00e9duire les niveaux de maladie grave \u00bb.<\/em><\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Cette tentative du groupe d&rsquo;experts de l&rsquo;OMS de rassurer l\u2019opinion publique concernant le vaccin Oxford\/AstraZeneca intervient apr\u00e8s que des essais effectu\u00e9s en Afrique du Sud ont mis en doute son efficacit\u00e9.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A rappeler les autorit\u00e9s sud-africaines ont annonc\u00e9 le 07 f\u00e9vrier 2021, &nbsp;la suspension du d\u00e9ploiement du vaccin apr\u00e8s des essais men\u00e9s par l\u2019Universit\u00e9 de Witwatersrand \u00e0 Johannesburg aupr\u00e8s de 2000 participants proches de l\u2019\u00e2ge de 31 ans sur son efficacit\u00e9 contre le variant 501Y.V2 du SARS-coV-2 (le virus \u00e0 l\u2019origine de la covid-19) identifi\u00e9 pour la premi\u00e8re fois dans le pays.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Les donn\u00e9es des essais avaient montr\u00e9 que le vaccin \u00e9labor\u00e9 par le groupe britannique AstraZeneca avec l&rsquo;Universit\u00e9 d&rsquo;Oxford n&rsquo;offrait qu&rsquo;une protection limit\u00e9e contre les maladies b\u00e9nignes caus\u00e9es par le variant sud-africain.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Les autorit\u00e9s sud-africaines qui \u00e9tudient m\u00eame la possibilit\u00e9 de revendre leurs doses du vaccin ont pr\u00e9f\u00e9r\u00e9 ceux d\u00e9velopp\u00e9s par Johnson &amp; Johnson (J&amp;J) et Pfizer.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Lors \u00a0de la conf\u00e9rence, la responsable de la vaccination \u00e0 l\u2019OMS, Dr Kate O\u2019Brien, a d\u00e9clar\u00e9 que les r\u00e9sultats de cette \u00e9tude \u00e9taient <em><strong>&lsquo; peu concluants, bien que d\u00e9montrant une faible efficacit\u00e9 contre les formes l\u00e9g\u00e8res et mod\u00e9r\u00e9es de la maladie\u00a0\u00bb <\/strong><\/em><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Le plus important est <em><strong>\u00ab l&rsquo;absence de preuves de cette \u00e9tude sur l&rsquo;efficacit\u00e9 du produit d\u2019AstraZeneca contre les formes graves de la maladie, les hospitalisations et les d\u00e9c\u00e8s \u00bb<\/strong><\/em>, a-t-elle soutenu.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Selon le pr\u00e9sident du SAGE, le vaccin doit \u00eatre administr\u00e9 en deux doses aux personnes de plus de 18 ans \u00ab sans limite d&rsquo;\u00e2ge sup\u00e9rieure \u00bb, dans un intervalle entre la premi\u00e8re et la deuxi\u00e8me dose id\u00e9alement de 8 \u00e0 12 semaines, pour assurer une r\u00e9ponse immunitaire accrue.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pour sa part, la scientifique en chef de l&rsquo;OMS, Dr Soumya Swaminathan, a encourag\u00e9 les pays \u00e0 utiliser le vaccin AstraZeneca. Pour <em><strong>\u00ab la grande majorit\u00e9 des pays qui attendent toujours, d&rsquo;introduire un vaccin, et ce vaccin est peut-\u00eatre le premier, les avantages l&#8217;emporteront certainement largement sur les risques \u00bb<\/strong><\/em>, a-t-elle d\u00e9clar\u00e9.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Alors qu\u2019une partie de l\u2019opinion publique, particuli\u00e8rement en Afrique, semble d\u00e9j\u00e0 r\u00e9ticente au sujet des vaccins contre la covid-19, la pol\u00e9mique ainsi cr\u00e9\u00e9e autour de l\u2019efficacit\u00e9 du produit d\u2019Oxford\/AstraZeneca risque de porter un autre coup dur \u00e0 la campagne de vaccination de masse contre la pand\u00e9mie qui se pr\u00e9pare sur le continent.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Au cours d&rsquo;une conf\u00e9rence de presse, &nbsp;tenue hier mercredi 10 f\u00e9vrier 2021, \u00e0 Gen\u00e8ve, le pr\u00e9sident du Groupe strat\u00e9gique consultatif d&rsquo;experts sur la vaccination (SAGE) de l\u2019OMS, Dr Alejandro Cravioto, a d\u00e9clar\u00e9 que \u00ab m\u00eame si un variant circule dans un pays, nous ne voyons aucune raison pour l&rsquo;instant de ne pas utiliser le vaccin [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":26489,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"content-type":"","jnews-multi-image_gallery":[],"jnews_single_post":{"subtitle":"","format":"standard","video":"","gallery":"","source_name":"","source_url":"","via_name":"","via_url":"","override":[{"single_blog_custom":"","sidebar":"","second_sidebar":"","share_position":"","share_float_style":"","post_date_format":"","post_date_format_custom":"","post_reading_time_wpm":"","zoom_button_out_step":"1","zoom_button_in_step":"1","number_popup_post":"1"}],"image_override":[{"single_post_thumbnail_size":"","single_post_gallery_size":""}],"trending_post_position":"","trending_post_label":"","sponsored_post_label":"","sponsored_post_name":"","sponsored_post_url":"","sponsored_post_logo":"","sponsored_post_desc":""},"jnews_primary_category":{"id":""},"jnews_override_bookmark_settings":[],"jnews_review":[],"enable_review":"","type":"","name":"","summary":"","brand":"","sku":"","good":[],"bad":[],"score_override":"","override_value":"","rating":[],"price":[],"jnews_post_split":[],"footnotes":""},"categories":[11],"tags":[268,6979,2815],"class_list":["post-26603","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-health","tag-afrique-du-sud","tag-astrazeneca","tag-vaccin"],"_links":{"self":[{"href":"https:\/\/www.africanchallenges.com\/index.php?rest_route=\/wp\/v2\/posts\/26603","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.africanchallenges.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.africanchallenges.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.africanchallenges.com\/index.php?rest_route=\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/www.africanchallenges.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=26603"}],"version-history":[{"count":1,"href":"https:\/\/www.africanchallenges.com\/index.php?rest_route=\/wp\/v2\/posts\/26603\/revisions"}],"predecessor-version":[{"id":26604,"href":"https:\/\/www.africanchallenges.com\/index.php?rest_route=\/wp\/v2\/posts\/26603\/revisions\/26604"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.africanchallenges.com\/index.php?rest_route=\/wp\/v2\/media\/26489"}],"wp:attachment":[{"href":"https:\/\/www.africanchallenges.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=26603"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.africanchallenges.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=26603"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.africanchallenges.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=26603"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}