{"id":62254,"date":"2024-10-26T12:00:00","date_gmt":"2024-10-26T12:00:00","guid":{"rendered":"https:\/\/www.africa-press.net\/senegal\/politique\/mpox-le-nouveau-variant-se-transmet-surtout-entre-humains"},"modified":"2024-10-26T23:40:47","modified_gmt":"2024-10-26T23:40:47","slug":"mpox-le-nouveau-variant-se-transmet-surtout-entre-humains","status":"publish","type":"post","link":"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/mpox-le-nouveau-variant-se-transmet-surtout-entre-humains","title":{"rendered":"Mpox : le nouveau variant se transmet surtout entre humains"},"content":{"rendered":"<p><span style=\"color: #ff6600\"><strong>Africa-Press &#8211; Senegal. <\/strong><\/span>Les diffe\u0301rentes e\u0301pide\u0301mies de mpox en Afrique re\u0301pondent a\u0300 des logiques diffe\u0301rentes, montre une e\u0301tude parue le 24 octobre 2024, constatant que le nouveau variant du virus se transmet surtout entre humains alors que les contaminations par des animaux restent majoritaires pour la version plus ancienne. \u201cLes cas humains de mpox en Re\u0301publique de\u0301mocratique du Congo (RDC) sont alimente\u0301s par deux sche\u0301mas de transmission\u201d, re\u0301sume cette e\u0301tude, publie\u0301e dans la revue Cell.<\/p>\n<p>Plusieurs e\u0301pide\u0301mies de mpox, e\u0301galement qualifie\u0301 de \u201cvariole du singe\u201d, sont actuellement en cours en RDC et, dans une moindre mesure, dans des pays voisins. Elles sont alimente\u0301es par deux versions diffe\u0301rentes du virus, le clade 1 qui circule depuis des de\u0301cennies, et le clade 1b, un nouveau variant. Ce dernier a e\u0301te\u0301 notamment identifie\u0301 chez un patient en Allemagne, l\u2019un des tre\u0300s rares cas ou\u0300 cette version a e\u0301te\u0301 repe\u0301re\u0301e en dehors du continent africain.<\/p>\n<p>Une e\u0301pide\u0301mie mondiale de mpox, une maladie qui se traduit par de multiples le\u0301sions cutane\u0301es, se poursuit par ailleurs depuis 2022 mais implique une version encore diffe\u0301rente du virus, dite clade 2.<\/p>\n<p><b>Comprendre les spe\u0301cificite\u0301s de chaque version<\/b><\/p>\n<p>Cette situation complexe, qui a conduit l\u2019Organisation mondiale de la Sante\u0301 (OMS) a\u0300 de\u0301cre\u0301ter le mpox comme une urgence mondiale, pousse les chercheurs a\u0300 s\u2019interroger sur les spe\u0301cificite\u0301s de ces diffe\u0301rentes versions, que ce soit en matie\u0300re de dangerosite\u0301, de contagiosite\u0301 ou de modes de transmission. C\u2019est sur ce dernier point que l\u2019e\u0301tude de Cell s\u2019est penche\u0301e.<\/p>\n<p>Historiquement, le mpox est en effet surtout connu pour se transmettre au contact d\u2019animaux, notamment par la consommation de chairs contamine\u0301es. Mais les e\u0301pide\u0301mies re\u0301centes semblent aussi lie\u0301es a\u0300 des contaminations d\u2019un humain a\u0300 l\u2019autre, en particulier a\u0300 l\u2019occasion de rapports sexuels.<\/p>\n<p>L\u2019e\u0301tude, qui se base sur l\u2019analyse ge\u0301ne\u0301tique de virus pre\u0301leve\u0301s chez plusieurs centaines de patients, conclut que les deux logiques sont a\u0300 l\u2019\u0153uvre. Les cas lie\u0301s a\u0300 la version 1a semblent majoritairement provenir de contaminations par diffe\u0301rents animaux, tandis que le variant 1b pre\u0301sente bien plus souvent une mutation typique de son adaptation a\u0300 l\u2019humain. Cela laisse donc penser qu\u2019il se transmet d\u2019abord d\u2019un humain a\u0300 l\u2019autre.<\/p>\n<p><strong>Pour plus d&rsquo;informations et d&rsquo;analyses sur la Senegal, suivez Africa-Press<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Africa-Press &#8211; Senegal. Les diffe\u0301rentes e\u0301pide\u0301mies de mpox en Afrique re\u0301pondent a\u0300 des logiques diffe\u0301rentes, montre une e\u0301tude parue le 24 octobre 2024, constatant que le nouveau variant du virus se transmet surtout entre humains alors que les contaminations par des animaux restent majoritaires pour la version plus ancienne. \u201cLes cas humains de mpox en [&hellip;]<\/p>\n","protected":false},"author":82,"featured_media":62253,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[22,10],"tags":[44],"class_list":["post-62254","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-divers","category-toutes-les-actualites","tag-senegal-2"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.1 (Yoast SEO v27.0) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Mpox : le nouveau variant se transmet surtout entre humains - 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