{"id":210669,"date":"2021-05-09T15:22:33","date_gmt":"2021-05-09T14:22:33","guid":{"rendered":"https:\/\/www.realites.com.tn\/?p=210669"},"modified":"2021-05-09T15:22:33","modified_gmt":"2021-05-09T14:22:33","slug":"loms-le-variant-indien-est-plus-contagieux-et-semble-resister-aux-vaccins","status":"publish","type":"post","link":"https:\/\/realites.com.tn\/fr\/loms-le-variant-indien-est-plus-contagieux-et-semble-resister-aux-vaccins\/","title":{"rendered":"L&rsquo;OMS: \u00ab\u00a0Le variant indien est plus contagieux et semble r\u00e9sister aux vaccins\u00a0\u00bb"},"content":{"rendered":"<div>Le variant B.1.617 \u00ab pr\u00e9sente des mutations qui augmentent les transmissions, et qui peuvent aussi potentiellement le rendre r\u00e9sistant aux anticorps qui se sont d\u00e9velopp\u00e9s gr\u00e2ce \u00e0 la vaccination ou \u00e0 une contamination naturelle \u00bb, a averti ce samedi la scientifique en chef de l\u2019Organisation mondiale de la Sant\u00e9 (OMS) Soumya Swaminathan.<\/div>\n<div>Pour la premi\u00e8re fois samedi, l\u2019Inde a enregistr\u00e9 la mort de plus de 4 000 personnes due au Covid-19 en 24 heures et plus de 400 000 nouvelles contaminations, mais les experts estiment que les chiffres officiels sont largement sous-\u00e9valu\u00e9s.<\/div>\n<div>Dans un entretien avec l\u2019AFP, Soumya Swaminathanan, une p\u00e9diatre indienne et chercheuse, a d\u00e9clar\u00e9 que le variant B.1.617, qui a \u00e9t\u00e9 d\u00e9tect\u00e9 pour la premi\u00e8re fois en Inde en octobre, \u00e9tait indiscutablement un facteur d\u2019acc\u00e9l\u00e9ration de l\u2019\u00e9pid\u00e9mie devenue hors contr\u00f4le dans le pays.<\/div>\n<div><\/div>\n<div><strong>*R\u00e9sistant aux anticorps<\/strong><\/div>\n<div>Ce variant pourrait \u00eatre class\u00e9 par l\u2019OMS dans la liste des variants consid\u00e9r\u00e9s comme plus dangereux que la version originelle du virus en raison de leur plus grande contagiosit\u00e9, leur capacit\u00e9 \u00e0 surmonter les d\u00e9fenses que procure la vaccination et le taux de mortalit\u00e9 des patients atteints, a estim\u00e9 la scientifique.<\/div>\n<div>Le variant B.1.617 pr\u00e9sente des mutations qui augmentent les transmissions, et qui peuvent aussi potentiellement le rendre r\u00e9sistant aux anticorps qui se sont d\u00e9velopp\u00e9s gr\u00e2ce \u00e0 la vaccination ou \u00e0 une contamination naturelle, a-t-elle expliqu\u00e9.<\/div>\n<div>Mais le variant seul ne peut pas \u00eatre incrimin\u00e9 pour la hausse spectaculaire de cas en Inde, qui semble avoir baiss\u00e9 la garde trop t\u00f4t, avec de grands rassemblements de masse, a-t-elle relev\u00e9.<\/div>\n<div>Dans un vaste pays comme l\u2019Inde, les contaminations peuvent se poursuivre sans faire de bruit pendant des mois. Ces premiers signes ont \u00e9t\u00e9 manqu\u00e9s jusqu\u2019\u00e0 ce (les transmissions) aient atteint un point o\u00f9 le d\u00e9collage a \u00e9t\u00e9 vertical.<\/div>\n<div><\/div>\n<div><strong>*La vaccination seule ne suffira pas<\/strong><\/div>\n<div>Pour le moment, il est tr\u00e8s difficile de lutter contre le virus car l\u2019\u00e9pid\u00e9mie concerne des milliers de personnes et il se multiplie \u00e0 une vitesse qu\u2019il est tr\u00e8s difficile d\u2019enrayer, a encore dit Soumya Swaminathan, avertissant que la vaccination seule ne serait pas suffisante pour reprendre le contr\u00f4le de la situation.<\/div>\n<div>L\u2019Inde, qui est le plus grand producteur mondial de vaccins, n\u2019a jusqu\u2019\u00e0 pr\u00e9sent administr\u00e9 deux doses qu\u2019\u00e0 2 % de sa population de 1,3 milliard d\u2019habitants.<\/div>\n<div>Cela va prendre des mois, si ce n\u2019est des ann\u00e9es, pour atteindre un taux de 70 \u00e0 80 % de la population immunis\u00e9e, selon la chercheuse.<\/div>\n<div><\/div>\n<div><strong>*Le risque de mutation est accru<\/strong><\/div>\n<div>Dans un avenir proche, il faudra compter sur les mesures sociales et sanitaires d\u00e9j\u00e0 test\u00e9es et \u00e9prouv\u00e9es pour juguler l\u2019\u00e9pid\u00e9mie, a-t-elle pr\u00e9venu. Et l\u2019ampleur de l\u2019\u00e9pid\u00e9mie en Inde augmente le risque d\u2019apparition de nouveaux variants encore plus dangereux.<\/div>\n<div>Plus le virus se r\u00e9plique, se diffuse et se transmet, plus le risque de mutations et d\u2019adaptation augmente, a soulign\u00e9 la scientifique. Les variants qui accumulent un grand nombre de mutations peuvent finalement devenir r\u00e9sistants aux vaccins dont nous disposons actuellement.<\/div>\n<div style=\"text-align: right\">(Ouest-France)<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Le variant B.1.617 \u00ab pr\u00e9sente des mutations qui augmentent les transmissions, et qui peuvent aussi potentiellement le rendre r\u00e9sistant aux anticorps qui se sont d\u00e9velopp\u00e9s gr\u00e2ce \u00e0 la vaccination ou&hellip;<\/p>\n","protected":false},"author":60,"featured_media":210670,"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-210669","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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