{"id":205481,"date":"2021-03-03T22:38:52","date_gmt":"2021-03-03T21:38:52","guid":{"rendered":"https:\/\/www.realites.com.tn\/?p=205481"},"modified":"2021-03-03T22:38:52","modified_gmt":"2021-03-03T21:38:52","slug":"le-virus-a-t-il-pu-se-propager-a-partir-de-viande-congelee%e2%80%89","status":"publish","type":"post","link":"https:\/\/realites.com.tn\/fr\/le-virus-a-t-il-pu-se-propager-a-partir-de-viande-congelee%e2%80%89\/","title":{"rendered":"Le virus a-t-il pu se propager \u00e0 partir de viande congel\u00e9e\u2009?"},"content":{"rendered":"<div>\n<div>Des \u00e9tudes sugg\u00e8rent que le coronavirus responsable du Covid-19 peut se transmettre par l\u2019interm\u00e9diaire de surfaces surgel\u00e9es. Mais il est peu probable que ce soit ainsi que la pand\u00e9mie a d\u00e9marr\u00e9.<\/div>\n<div>Plus d\u2019un an apr\u00e8s que le Covid-19 \u2013 qui a provoqu\u00e9 plus de 2,5 millions de d\u00e9c\u00e8s \u00e0 travers le monde \u2013 est apparu, on ignore toujours comment le coronavirus Sars-CoV-2 qui en est responsable a \u00e9merg\u00e9 et s\u2019est r\u00e9pandu parmi les humains. L\u2019id\u00e9e qu\u2019il se serait propag\u00e9 \u00e0 partir d\u2019animaux infect\u00e9s congel\u00e9s prend de l\u2019ampleur, en particulier en Chine o\u00f9 l\u2019\u00e9pid\u00e9mie a d\u00e9marr\u00e9.<\/div>\n<div>Cette hypoth\u00e8se n\u2019a pas \u00e9t\u00e9 balay\u00e9e par l\u2019\u00e9quipe internationale mandat\u00e9e par l\u2019Organisation mondiale de la sant\u00e9 (OMS) qui s\u2019est rendue dans le pays en janvier. L\u2019\u00e9quipe a m\u00eame affirm\u00e9 qu\u2019elle ferait l\u2019objet de recherches compl\u00e9mentaires. Pour autant, lors de la conf\u00e9rence de presse du 9 f\u00e9vrier, les enqu\u00eateurs ont d\u00e9clar\u00e9 qu\u2019il \u00e9tait \u201cpeu probable que la pand\u00e9mie ait \u00e9t\u00e9 d\u00e9clench\u00e9e [de cette mani\u00e8re]\u201d, rappelle Nature. Pour eux, le virus provient plus probablement de chauves-souris et aurait \u00e9t\u00e9 transmis \u00e0 l\u2019homme par un autre animal vivant qui aurait servi d\u2019h\u00f4te interm\u00e9diaire.<\/div>\n<div>Trois \u00e9tudes conduites par des scientifiques en Chine \u2013 dont une n\u2019est jamais pass\u00e9e par un comit\u00e9 d\u2019\u00e9valuation \u2013 et cit\u00e9es par Nature montrent que le virus a pu survivre des semaines sur des surfaces gel\u00e9es, de la viande r\u00e9frig\u00e9r\u00e9e, et a \u00e9t\u00e9 rep\u00e9r\u00e9 sur un emballage de morue congel\u00e9e import\u00e9e, qui aurait \u00e9t\u00e9 \u00e0 l\u2019origine d\u2019un nouveau foyer \u00e9pid\u00e9mique. \u00c0 la suite de quoi, depuis novembre, les autorit\u00e9s chinoises ont rendu obligatoire la d\u00e9sinfection des produits surgel\u00e9s venus de l\u2019ext\u00e9rieur pour emp\u00eacher la transmission de surface.<\/div>\n<div><\/div>\n<div dir=\"ltr\"><strong>*Un leurre pour d\u00e9tourner les critiques<\/strong><\/div>\n<div>\u201cPour de nombreux scientifiques hors de Chine cependant, cette th\u00e9orie dite de la \u2018cha\u00eene du froid\u2019 ne serait, dans l\u2019ensemble des recherches men\u00e9es sur les origines de la pand\u00e9mie, gu\u00e8re plus qu\u2019un leurre destin\u00e9 \u00e0 d\u00e9tourner les critiques\u201d, fait savoir Nature. La plupart des animaux sauvages commercialis\u00e9s en Chine sont vivants, font remarquer des experts.<\/div>\n<div>\u201cQuand on rassemble en un seul endroit toutes ces esp\u00e8ces d\u2019ordinaire diss\u00e9min\u00e9es dans la nature, on augmente le risque de voir incuber un tout nouveau virus\u201d, rappelle Qiuhong Wang, virologue \u00e0 l\u2019universit\u00e9 d\u2019\u00c9tat de l\u2019Ohio. En outre, ces b\u00eates qu\u2019on retrouve sur les march\u00e9s arrivent rarement directement de l\u2019endroit o\u00f9 elles ont \u00e9t\u00e9 captur\u00e9es. Le plus souvent, elles viennent de fermes en Chine o\u00f9 elles sont \u00e9lev\u00e9es.<\/div>\n<div>Pour Dominic Dwyer, virologue au New South Wales Health Pathology de Sydney, il serait donc int\u00e9ressant de voir si les personnes travaillant dans ces fermes qui ont fourni le march\u00e9 de Wuhan poss\u00e8dent des anticorps montrant qu\u2019elles ont \u00e9t\u00e9 en contact avec le virus Sars-CoV-2. \u201cVoil\u00e0 un \u00e9l\u00e9ment qui sera vraiment fondamental pour d\u00e9terminer l\u2019origine premi\u00e8re de la pand\u00e9mie\u201d, assure-t-il \u00e0 Nature.<\/div>\n<div>Le rapport de l\u2019OMS annonc\u00e9 lors de la conf\u00e9rence de presse de f\u00e9vrier devrait \u00eatre rendu public cette semaine. Il permettra de conna\u00eetre avec plus de pr\u00e9cision les donn\u00e9es sur lesquelles l\u2019\u00e9quipe s\u2019appuie pour consid\u00e9rer les diff\u00e9rentes hypoth\u00e8ses avanc\u00e9es, mais il est peu probable qu\u2019il apporte des conclusions d\u00e9finitives sur l\u2019origine de la pand\u00e9mie.<\/div>\n<div style=\"text-align: right\"><span style=\"text-transform: initial\">(Courrier International)<\/span><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Des \u00e9tudes sugg\u00e8rent que le coronavirus responsable du Covid-19 peut se transmettre par l\u2019interm\u00e9diaire de surfaces surgel\u00e9es. Mais il est peu probable que ce soit ainsi que la pand\u00e9mie a&hellip;<\/p>\n","protected":false},"author":60,"featured_media":205482,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_lmt_disableupdate":"","_lmt_disable":"","_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[2515],"tags":[],"class_list":["post-205481","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-sante"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Le virus a-t-il pu se propager \u00e0 partir de viande congel\u00e9e\u2009? - R\u00e9alit\u00e9s Magazine<\/title>\n<meta name=\"description\" content=\"Des \u00e9tudes sugg\u00e8rent que le coronavirus responsable du Covid-19 peut se transmettre par l\u2019interm\u00e9diaire de surfaces surgel\u00e9es. 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