{"id":435823,"date":"2022-09-05T10:00:04","date_gmt":"2022-09-05T07:00:04","guid":{"rendered":"https:\/\/kinsta.unitedwithisrael.org\/?p=435823"},"modified":"2022-09-06T08:37:48","modified_gmt":"2022-09-06T05:37:48","slug":"etude-israelienne-les-chauves-souris-ne-sont-tres-probablement-pas-a-lorigine-du-coronavirus","status":"publish","type":"post","link":"https:\/\/kinsta.unitedwithisrael.org\/fr\/etude-israelienne-les-chauves-souris-ne-sont-tres-probablement-pas-a-lorigine-du-coronavirus\/","title":{"rendered":"Etude isra\u00e9lienne: les chauves-souris ne sont tr\u00e8s probablement pas \u00e0 l’origine du Coronavirus"},"content":{"rendered":"

La nouvelle \u00e9tude de l’Universit\u00e9 de Tel-Aviv rejette la th\u00e9orie selon laquelle l’\u00e9pid\u00e9mie de COVID-19 aurait pour origine des chauves-souris.<\/strong><\/em><\/p>\n

Par Aryeh Savir, TPS<\/em><\/p>\n

Contrairement \u00e0 l’opinion form\u00e9e lors de la pand\u00e9mie de coronavirus (COVID-19), une nouvelle \u00e9tude isra\u00e9lienne a conclu qu’il n’existait aucune preuve claire montrant que le COVID-19 a \u00e9t\u00e9 transmis par les chauves-souris.<\/p>\n

Selon les chercheurs, cette corr\u00e9lation entre l’\u00e9pid\u00e9mie de COVID-19 et les chauves-souris, qui n’\u00e9tait pas bas\u00e9e sur des preuves scientifiques convaincantes suffisantes, a provoqu\u00e9 un stress et une confusion inutiles dans le monde entier.<\/p>\n

La nouvelle \u00e9tude de l’Universit\u00e9 de Tel Aviv rejette les affirmations selon lesquelles l’origine de l’\u00e9pid\u00e9mie de COVID-19 serait chez les chauves-souris. Selon l’\u00e9tude, les chauves-souris ont un syst\u00e8me immunitaire tr\u00e8s efficace qui leur permet de lutter relativement facilement contre des virus consid\u00e9r\u00e9s comme mortels pour d’autres mammif\u00e8res.<\/p>\n

L’\u00e9tude a \u00e9t\u00e9 dirig\u00e9e par le Dr Maya Weinberg du laboratoire du Professeur Yossi Yovel, directeur de la Sagol School of Neuroscience et membre du corps professoral de la School of Zoology & Steinhardt Museum of Natural History de l’Universit\u00e9 de Tel Aviv. L’\u00e9quipe de recherche a examin\u00e9 des dizaines d’articles et d’\u00e9tudes de premier plan dans ce domaine.<\/p>\n

Les chercheurs ont expliqu\u00e9 que la tristement c\u00e9l\u00e8bre r\u00e9putation des chauves-souris \u00e9tait bien connue tant de la communaut\u00e9 scientifique que du grand public, qu’elles \u00e9taient souvent accus\u00e9es d’\u00eatre des r\u00e9servoirs \u00e0 virus dont le Covid-19, constituant ainsi une menace pour la sant\u00e9 publique. A travers son \u00e9tude, le Dr Weinberg a cherch\u00e9 \u00e0 r\u00e9futer cette th\u00e9orie erron\u00e9e et \u00e0 montrer que les chauves-souris jouaient un r\u00f4le important dans l’extermination des insectes, la replantation de zones d\u00e9bois\u00e9es et la pollinisation d’un certain nombre de cultures.<\/p>\n

Les chercheurs affirment qu’il existe en effet des preuves que l’origine de l’ancien potentiel Covid-19 \u00e9tait chez les chauves-souris. Cependant, d’autre part, jusqu’\u00e0 pr\u00e9sent, deux ans apr\u00e8s le d\u00e9clenchement de la pand\u00e9mie, nous ne savons toujours pas avec certitude quelle est l’origine exacte du variant COVID-19.<\/p>\n

\u00ab En g\u00e9n\u00e9ral, les chauves-souris sont consid\u00e9r\u00e9es \u00e0 tort comme des r\u00e9servoirs de nombreuses maladies contagieuses, uniquement en raison de leur s\u00e9rologie positive ; en d’autres termes, en possession d’anticorps, ce qui signifie que les chauves-souris ont surv\u00e9cu \u00e0 la maladie et d\u00e9velopp\u00e9 une r\u00e9ponse immunitaire. Apr\u00e8s cela, elles ont compl\u00e8tement surmont\u00e9 le virus et se sont d\u00e9sengag\u00e9s de lui; par cons\u00e9quent, elles ne sont plus ses porteurs<\/em> \u00bb, a expliqu\u00e9 Weinberg.<\/p>\n

\u00ab\u00a0Dans de nombreux cas, un virus similaire \u00e0 un agent pathog\u00e8ne humain est susceptible d’\u00eatre trouv\u00e9 chez les chauves-souris mais il n’est pas pathog\u00e8ne pour l’homme et n’est pas suffisant pour utiliser les chauves-souris comme r\u00e9servoir \u00bb<\/em>, a-t-elle not\u00e9.<\/p>\n

Pour examiner la situation globale, l’\u00e9quipe a men\u00e9 une m\u00e9ta-analyse de la litt\u00e9rature et v\u00e9rifi\u00e9 les r\u00e9sultats de plus de 100 virus pour lesquels les chauves-souris \u00e9taient consid\u00e9r\u00e9es comme des r\u00e9servoirs potentiels, comme Ebola, le SRAS et le COVID. Ils ont constat\u00e9 que dans un nombre consid\u00e9rable de cas, 48%, cette affirmation \u00e9tait bas\u00e9e sur l’incidence des anticorps ou des tests PCR, plut\u00f4t que sur l’isolement r\u00e9el de virus identiques. De plus, bon nombre des r\u00e9sultats rapport\u00e9s ne sont pas convaincants.<\/p>\n

Le simple isolement d’un virus ne suffit pas pour consid\u00e9rer un animal comme un r\u00e9servoir, puisqu’il faut un nombre minimum de cas index dans lesquels le virus est isol\u00e9 pour \u00eatre consid\u00e9r\u00e9 comme un animal r\u00e9servoir, ainsi que l’existence d’une voie \u00e9tablie de transmission.<\/p>\n

De plus, la d\u00e9tection m\u00eame d’un virus particulier chez les chauves-souris n’assure pas n\u00e9cessairement une nouvelle infection, et d’autres conditions biologiques, \u00e9cologiques et anthropiques doivent \u00eatre r\u00e9unies pour qu’un tel \u00e9v\u00e9nement se produise, a not\u00e9 Weinbeg.<\/p>\n

En conclusion, Weinberg a d\u00e9clar\u00e9: \u00ab\u00a0l’\u00e9tude approfondie que nous avons men\u00e9e soul\u00e8ve de s\u00e9rieux doutes quant \u00e0 la possibilit\u00e9 que les chauves-souris soient \u00e0 l’origine de l’\u00e9pid\u00e9mie de Covid19. Les r\u00e9sultats donnent lieu \u00e0 la perspective oppos\u00e9e, selon laquelle nous devons \u00e9tudier en profondeur les capacit\u00e9s antivirales immunologiques des chauves-souris, et ainsi obtenir de nouveaux moyens efficaces de faire face \u00e0 la lutte de l’humanit\u00e9 contre les maladies contagieuses, le vieillissement et le cancer.<\/em>\u00ab\u00a0<\/p>\n

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La nouvelle \u00e9tude de l’Universit\u00e9 de Tel-Aviv rejette la th\u00e9orie selon laquelle l’\u00e9pid\u00e9mie de COVID-19 aurait pour origine des chauves-souris. Par Aryeh Savir, TPS Contrairement \u00e0 l’opinion form\u00e9e lors de la pand\u00e9mie de coronavirus (COVID-19), une nouvelle \u00e9tude isra\u00e9lienne a conclu qu’il n’existait aucune preuve claire montrant que le COVID-19 a \u00e9t\u00e9 transmis par les… Read more »<\/a><\/p>\n","protected":false},"author":4242,"featured_media":371655,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":"","_links_to":"","_links_to_target":""},"categories":[28418],"tags":[44523,37426,37424,29313,29783],"class_list":["post-435823","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-actualites-israeliennes","tag-chauves-souris","tag-coronavirus-fr","tag-epidemie","tag-recherche","tag-sante"],"better_featured_image":{"id":371655,"alt_text":"","caption":"Shutterstock","description":"","media_type":"image","media_details":{"width":2560,"height":1707,"file":"2020\/12\/shutterstock_1790393495-scaled.jpg","sizes":{"medium":{"file":"shutterstock_1790393495-300x200.jpg","width":300,"height":200,"mime-type":"image\/jpeg","source_url":"https:\/\/kinsta.unitedwithisrael.org\/wp-content\/uploads\/2020\/12\/shutterstock_1790393495-300x200.jpg"},"large":{"file":"shutterstock_1790393495-1024x683.jpg","width":1024,"height":683,"mime-type":"image\/jpeg","source_url":"https:\/\/kinsta.unitedwithisrael.org\/wp-content\/uploads\/2020\/12\/shutterstock_1790393495-1024x683.jpg"},"thumbnail":{"file":"shutterstock_1790393495-150x150.jpg","width":150,"height":150,"mime-type":"image\/jpeg","source_url":"https:\/\/kinsta.unitedwithisrael.org\/wp-content\/uploads\/2020\/12\/shutterstock_1790393495-150x150.jpg"},"medium_large":{"file":"shutterstock_1790393495-768x512.jpg","width":768,"height":512,"mime-type":"image\/jpeg","source_url":"https:\/\/kinsta.unitedwithisrael.org\/wp-content\/uploads\/2020\/12\/shutterstock_1790393495-768x512.jpg"},"1536x1536":{"file":"shutterstock_1790393495-1536x1024.jpg","width":1536,"height":1024,"mime-type":"image\/jpeg","source_url":"https:\/\/kinsta.unitedwithisrael.org\/wp-content\/uploads\/2020\/12\/shutterstock_1790393495-1536x1024.jpg"},"2048x2048":{"file":"shutterstock_1790393495-2048x1365.jpg","width":2048,"height":1365,"mime-type":"image\/jpeg","source_url":"https:\/\/kinsta.unitedwithisrael.org\/wp-content\/uploads\/2020\/12\/shutterstock_1790393495-2048x1365.jpg"},"uwi-full-width":{"file":"shutterstock_1790393495-780x520.jpg","width":780,"height":520,"mime-type":"image\/jpeg","source_url":"https:\/\/kinsta.unitedwithisrael.org\/wp-content\/uploads\/2020\/12\/shutterstock_1790393495-780x520.jpg"},"uwi-featured-carousel":{"file":"shutterstock_1790393495-890x400.jpg","width":890,"height":400,"mime-type":"image\/jpeg","source_url":"https:\/\/kinsta.unitedwithisrael.org\/wp-content\/uploads\/2020\/12\/shutterstock_1790393495-890x400.jpg"},"uwi-featured-content":{"file":"shutterstock_1790393495-290x160.jpg","width":290,"height":160,"mime-type":"image\/jpeg","source_url":"https:\/\/kinsta.unitedwithisrael.org\/wp-content\/uploads\/2020\/12\/shutterstock_1790393495-290x160.jpg"},"uwi-content-loop":{"file":"shutterstock_1790393495-190x190.jpg","width":190,"height":190,"mime-type":"image\/jpeg","source_url":"https:\/\/kinsta.unitedwithisrael.org\/wp-content\/uploads\/2020\/12\/shutterstock_1790393495-190x190.jpg"},"uwi-category_list":{"file":"shutterstock_1790393495-180x100.jpg","width":180,"height":100,"mime-type":"image\/jpeg","source_url":"https:\/\/kinsta.unitedwithisrael.org\/wp-content\/uploads\/2020\/12\/shutterstock_1790393495-180x100.jpg"},"uwi-tiny":{"file":"shutterstock_1790393495-40x40.jpg","width":40,"height":40,"mime-type":"image\/jpeg","source_url":"https:\/\/kinsta.unitedwithisrael.org\/wp-content\/uploads\/2020\/12\/shutterstock_1790393495-40x40.jpg"},"uwi-email-featured":{"file":"shutterstock_1790393495-250x170.jpg","width":250,"height":170,"mime-type":"image\/jpeg","source_url":"https:\/\/kinsta.unitedwithisrael.org\/wp-content\/uploads\/2020\/12\/shutterstock_1790393495-250x170.jpg"},"uwi-email":{"file":"shutterstock_1790393495-200x140.jpg","width":200,"height":140,"mime-type":"image\/jpeg","source_url":"https:\/\/kinsta.unitedwithisrael.org\/wp-content\/uploads\/2020\/12\/shutterstock_1790393495-200x140.jpg"},"uwi-iphone":{"file":"shutterstock_1790393495-960x640.jpg","width":960,"height":640,"mime-type":"image\/jpeg","source_url":"https:\/\/kinsta.unitedwithisrael.org\/wp-content\/uploads\/2020\/12\/shutterstock_1790393495-960x640.jpg"},"uwi-iphone-x2":{"file":"shutterstock_1790393495-1136x640.jpg","width":1136,"height":640,"mime-type":"image\/jpeg","source_url":"https:\/\/kinsta.unitedwithisrael.org\/wp-content\/uploads\/2020\/12\/shutterstock_1790393495-1136x640.jpg"},"uwi-ipad":{"file":"shutterstock_1790393495-1024x768.jpg","width":1024,"height":768,"mime-type":"image\/jpeg","source_url":"https:\/\/kinsta.unitedwithisrael.org\/wp-content\/uploads\/2020\/12\/shutterstock_1790393495-1024x768.jpg"},"uwi-ipad-x2":{"file":"shutterstock_1790393495-2048x1536.jpg","width":2048,"height":1536,"mime-type":"image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