{"id":181335,"date":"2020-06-11T14:35:28","date_gmt":"2020-06-11T13:35:28","guid":{"rendered":"https:\/\/www.realites.com.tn\/?p=181335"},"modified":"2020-06-11T14:35:28","modified_gmt":"2020-06-11T13:35:28","slug":"covid-19-le-profil-des-porteurs-asymptomatiques-se-precise","status":"publish","type":"post","link":"https:\/\/realites.com.tn\/fr\/covid-19-le-profil-des-porteurs-asymptomatiques-se-precise\/","title":{"rendered":"Covid-19 : le profil des porteurs asymptomatiques se pr\u00e9cise"},"content":{"rendered":"<p>Les connaissances concernant le virus SARS-CoV-2 restent parcellaires. Afin d\u2019en savoir plus concernant son fonctionnement et les cons\u00e9quences sur les personnes infect\u00e9es, une \u00e9quipe chinoise du d\u00e9partement des maladies infectieuses de l\u2019h\u00f4pital Zhongnan a \u00e9tudi\u00e9 des porteurs asymptomatiques. Ces derniers, bien que contamin\u00e9s par le virus, ne manifestent aucun sympt\u00f4me visible du Covid-19. Pour autant, cela ne signifie pas que leur organisme n\u2019en garde pas des traces.<br \/>\nDans ce travail, les chercheurs ont analys\u00e9 les donn\u00e9es issues d\u2019un suivi de contacts effectu\u00e9 \u00e0 Wuhan, \u00e0 partir de 26 foyers de transmission virale. Suite \u00e0 des examens cliniques approfondis, 33 des 78 patients expos\u00e9s au virus se sont av\u00e9r\u00e9s asymptomatiques. Ce qui repr\u00e9sente 42,3 % des participants.<br \/>\nLes scientifiques se sont pench\u00e9s sur les caract\u00e9ristiques de ces patients n\u2019ayant pas d\u00e9velopp\u00e9 la maladie. La plupart \u00e9taient jeunes, avec un \u00e2ge m\u00e9dian de 37 ans, contre 56 ans chez les malades pr\u00e9sentant des sympt\u00f4mes. Il s\u2019agissait majoritairement de femmes \u00e0 66,7%. Et parmi ces patients, seulement un souffrait d\u2019une maladie du foie. Par ailleurs, ils pr\u00e9sentaient un taux beaucoup plus \u00e9lev\u00e9 de lymphocytes T auxiliaires (ou CD4+) que les patients symptomatiques.<br \/>\nMalgr\u00e9 l\u2019absence de sympt\u00f4mes, le virus est toutefois identifiable dans l\u2019organisme et peut laisser des traces. Par le biais de scanners thoraciques, les chercheurs ont pu \u00e9valuer la dur\u00e9e de la convalescence de ces patients asymptomatiques. Celle-ci a \u00e9t\u00e9 bien plus rapide que chez les patients symptomatiques, de 9 jours contre 15. M\u00eame constat pour la dur\u00e9e de l\u2019excr\u00e9tion virale qui \u00e9tait de 8 jours contre 19. Enfin, il semble que les dommages subis par le syst\u00e8me immunitaire soient moins importants que dans les infections symptomatiques.<br \/>\n\u00ab Am\u00e9liorer la connaissance des profils de cas Covid-19 asymptomatiques permettra d\u2019adapter les mesures de pr\u00e9vention \u00bb, souligne l\u2019Inserm. Ainsi que \u00ab de maintenir un niveau de vigilance suffisant des populations les plus \u00e0 risque de contracter une infection qui passerait inaper\u00e7ue et de transmettre le virus \u00bb.<\/p>\n<p style=\"text-align: right;\">(Destination Sant\u00e9)<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Les connaissances concernant le virus SARS-CoV-2 restent parcellaires. Afin d\u2019en savoir plus concernant son fonctionnement et les cons\u00e9quences sur les personnes infect\u00e9es, une \u00e9quipe chinoise du d\u00e9partement des maladies infectieuses&hellip;<\/p>\n","protected":false},"author":60,"featured_media":181336,"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-181335","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>Covid-19 : le profil des porteurs asymptomatiques se pr\u00e9cise - R\u00e9alit\u00e9s Magazine<\/title>\n<meta name=\"description\" content=\"Les connaissances concernant le virus SARS-CoV-2 restent parcellaires. 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