{"id":15207,"date":"2020-12-21T16:14:03","date_gmt":"2020-12-21T21:14:03","guid":{"rendered":"https:\/\/cliniquesmedicaleslacroix.com\/?p=15207"},"modified":"2022-02-03T10:36:05","modified_gmt":"2022-02-03T15:36:05","slug":"questions-courantes-concernant-les-tests-pcr","status":"publish","type":"post","link":"https:\/\/cliniquesmedicaleslacroix.com\/fr\/questions-courantes-concernant-les-tests-pcr\/","title":{"rendered":"Questions courantes concernant les tests PCR"},"content":{"rendered":"

Questions courantes concernant les tests PCR<\/h1>\n

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Q: Avec l\u2019arriv\u00e9e des vaccins, est-ce encore pertinent de se faire tester?<\/h3>\n
–<\/span><\/div>\n
R: Pour l\u2019instant, oui. Les experts de l\u2019OMS estiment que plus de 70% de la population doit \u00eatre vaccin\u00e9e pour consid\u00e9rer la propagation du SARS-CoV-2 sous contr\u00f4le. Cet objectif ne sera atteint que plus tard vers la mi-\u00e9t\u00e9, voire \u00e0 l\u2019automne 2021. D\u2019ici l\u00e0, si vous ressentez des sympt\u00f4mes grippaux, la probabilit\u00e9 que ce soit la COVID-19 reste \u00e9lev\u00e9e et vous devriez vous faire d\u00e9pister. En l\u2019absence d\u2019une population majoritairement vaccin\u00e9e, la meilleure strat\u00e9gie, c\u2019est la pr\u00e9vention. C\u2019est pourquoi le d\u00e9pistage est encore exig\u00e9 avant le d\u00e9part et au retour d\u2019un voyage.<\/div>\n
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Q: Les tests PCR sont-ils fiables?<\/h3>\n
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R: R\u00e9ponse courte : oui. Ils ont un taux de faux-positif extr\u00eamement bas. Un facteur qui est tr\u00e8s souvent d\u00e9battu sur les m\u00e9dias sociaux concerne le nombre de cycles d\u2019amplification (CT). S\u2019il est vrai que pass\u00e9 un certain nombre de cycles, l\u2019ARN du virus peut devenir similaire \u00e0 l\u2019ADN humain, les techniciens de laboratoire ont toujours recours \u00e0 un \u00e9chantillon de contr\u00f4le (un \u00e9chantillon n\u00e9gatif) pour chaque lot de tests. Si l\u2019\u00e9chantillon n\u00e9gatif ne passe pas au positif, c\u2019est que le taux d\u2019amplification n\u2019est pas assez haut pour donner des faux-positifs.<\/div>\n
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Q: Mais si mon test est pass\u00e9 au positif \u00e0 plus de 40 cycles d\u2019amplifications, cela ne t\u00e9moigne-t-il pas que je ne suis pas contagieux?<\/h3>\n
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R: Non. \u00c7a veut seulement dire que la charge virale est basse, mais bien existante. Nous ne disposons d\u2019aucun moyen de savoir si c\u2019est parce que vous venez juste d\u2019\u00eatre infect\u00e9 ou au contraire \u00eates en fin d\u2019infection ou si votre cas est extr\u00eamement l\u00e9ger. Dans tous les cas, si le virus est pr\u00e9sent dans votre organisme, vous pouvez le transmettre. Et toute probabilit\u00e9 de contamination, qu\u2019elle soit de 1 ou de 99 pour-cent, doit \u00eatre prise au s\u00e9rieux. Isolez-vous.<\/div>\n
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Q: Quel est le d\u00e9lai d\u2019attente pour recevoir mes r\u00e9sultats \u00e0 un test PCR?<\/h3>\n
–<\/span><\/div>\n
R: La plupart du temps, entre 24 et 48h ouvrable (fins de semaine exclues). Cependant, ceci ne constitue pas une garantie, mais seulement un approximatif. Plus rarement, il peut arriver que le laboratoire prenne du retard. Rappelons que nous sommes en pleine mont\u00e9e de cas d\u2019infection. Si vous devez prendre un vol, n\u2019attendez pas l\u2019avant-veille pour vous faire d\u00e9pister. Prenez-vous trois jours d\u2019avance, et gardez en t\u00eate que le d\u00e9lai exclut les fins de semaine. Cela pourrait vous \u00e9viter une mauvaise surprise.<\/div>\n
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—<\/div>\n
–<\/span><\/div>\n
<\/div>\n
Visitez notre section sur le test PCR de d\u00e9pistage de la COVID-19<\/strong><\/a>.<\/div>\n","protected":false},"excerpt":{"rendered":"

Questions courantes concernant les tests PCR –– – Q: Avec l\u2019arriv\u00e9e des vaccins, est-ce encore pertinent de se faire tester?…<\/p>\n","protected":false},"author":6,"featured_media":15208,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"om_disable_all_campaigns":false,"footnotes":""},"categories":[81,107],"tags":[],"class_list":["post-15207","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-actualites","category-conseils-sante"],"yoast_head":"\nQuestions courantes concernant les tests PCR - Cliniques m\u00e9dicales Lacroix<\/title>\n<meta name=\"description\" content=\"Questions et r\u00e9ponses concernant le test PCR pour le d\u00e9pistage de la COVID-19.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/cliniquesmedicaleslacroix.com\/fr\/questions-courantes-concernant-les-tests-pcr\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Questions courantes concernant les tests PCR - 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