{"id":230,"date":"2020-11-04T12:43:25","date_gmt":"2020-11-04T12:43:25","guid":{"rendered":"https:\/\/covid1984.nohost.me\/blog\/?p=230"},"modified":"2022-08-20T11:10:00","modified_gmt":"2022-08-20T11:10:00","slug":"etes-vous-infectieux-si-vous-avez-un-resultat-positif-au-test-pcr-pour-covid-19","status":"publish","type":"post","link":"https:\/\/crudelis.fr\/site\/covid1984\/2020\/11\/04\/etes-vous-infectieux-si-vous-avez-un-resultat-positif-au-test-pcr-pour-covid-19\/","title":{"rendered":"\u00cates-vous infectieux si vous avez un r\u00e9sultat positif au test PCR pour COVID-19 ?"},"content":{"rendered":"\n<p>Une explication claire et illustr\u00e9e de la probl\u00e9matique de la sensibilit\u00e9 des tests PCR par le Centre for Evidence-Based Medicine de l'universit\u00e9 d'Oxford le 5 ao\u00fbt 2020.<\/p>\n\n\n\n<!--more-->\n\n\n\n<p><a rel=\"noreferrer noopener\" href=\"https:\/\/www.cebm.net\/covid-19\/infectious-positive-pcr-test-result-covid-19\/\" data-type=\"URL\" data-id=\"https:\/\/www.cebm.net\/covid-19\/infectious-positive-pcr-test-result-covid-19\/\" target=\"_blank\">CEBM - Are you infectious if you have a positive PCR test result for COVID-19?<\/a><br><em>Temps de lecture: 7-9 minutes.<\/em><\/p>\n\n\n\n<hr class=\"wp-block-separator is-style-dots\" \/>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p><em>The cycle threshold (referred to as the Ct value) is the number of amplification cycles required for the fluorescent signal to cross a certain threshold. This allows very small samples of RNA to be amplified and detected.<br>---<br>Le cycle threshold (appel\u00e9 valeur CT) est le nombre de cycles d'amplification requis pour que le signal fluorescent franchisse un certain seuil. Cela permet d'amplifier et de d\u00e9tecter de tr\u00e8s petits \u00e9chantillons d'ARN.<\/em><\/p><cite>CEBM<\/cite><\/blockquote>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p><em>The immune system works to neutralise the virus and prevent further infection. Whilst an infectious stage may last a week or so, because inactivated RNA degrades slowly over time it may still be detected many weeks after infectiousness has dissipated.<br>---<br>Le syst\u00e8me immunitaire s'efforce de neutraliser le virus et de pr\u00e9venir toute nouvelle infection. Bien qu'une phase infectieuse puisse durer environ une semaine, l'ARN inactiv\u00e9 se d\u00e9gradant lentement au fil du temps, il peut encore \u00eatre d\u00e9tect\u00e9 plusieurs semaines apr\u00e8s la dissipation de l'infectiosit\u00e9.<\/em><\/p><cite>CEBM<\/cite><\/blockquote>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p><em>[\u2026] PCR results may lead to restrictions for large groups of people who do not present an infection risk.<br>---<br>[\u2026] les r\u00e9sultats des PCR peuvent conduire \u00e0 des restrictions pour de grands groupes de personnes qui ne pr\u00e9sentent pas de risque d'infection.<\/em><\/p><cite>CEBM<\/cite><\/blockquote>\n","protected":false},"excerpt":{"rendered":"<p>Une explication claire et illustr\u00e9e de la probl\u00e9matique de la sensibilit\u00e9 des tests PCR par le Centre for Evidence-Based Medicine de l'universit\u00e9 d'Oxford le 5 ao\u00fbt 2020.<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[77,17,18],"tags":[30],"class_list":["post-230","post","type-post","status-publish","format-standard","hentry","category-covid19","category-ressources","category-pcr","tag-pcr"],"_links":{"self":[{"href":"https:\/\/crudelis.fr\/site\/covid1984\/wp-json\/wp\/v2\/posts\/230","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/crudelis.fr\/site\/covid1984\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/crudelis.fr\/site\/covid1984\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/crudelis.fr\/site\/covid1984\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/crudelis.fr\/site\/covid1984\/wp-json\/wp\/v2\/comments?post=230"}],"version-history":[{"count":1,"href":"https:\/\/crudelis.fr\/site\/covid1984\/wp-json\/wp\/v2\/posts\/230\/revisions"}],"predecessor-version":[{"id":2342,"href":"https:\/\/crudelis.fr\/site\/covid1984\/wp-json\/wp\/v2\/posts\/230\/revisions\/2342"}],"wp:attachment":[{"href":"https:\/\/crudelis.fr\/site\/covid1984\/wp-json\/wp\/v2\/media?parent=230"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/crudelis.fr\/site\/covid1984\/wp-json\/wp\/v2\/categories?post=230"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/crudelis.fr\/site\/covid1984\/wp-json\/wp\/v2\/tags?post=230"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}