{"id":197662,"date":"2020-12-07T12:56:25","date_gmt":"2020-12-07T11:56:25","guid":{"rendered":"https:\/\/www.realites.com.tn\/?p=197662"},"modified":"2020-12-07T12:56:25","modified_gmt":"2020-12-07T11:56:25","slug":"covid-19-si-les-vaccins-ne-bloquent-pas-la-transmission-les-vaccins-muqueux-seront-notre-espoir","status":"publish","type":"post","link":"https:\/\/realites.com.tn\/fr\/covid-19-si-les-vaccins-ne-bloquent-pas-la-transmission-les-vaccins-muqueux-seront-notre-espoir\/","title":{"rendered":"Covid-19: si les vaccins ne bloquent pas la transmission, les vaccins muqueux seront notre espoir"},"content":{"rendered":"<div>\n<div>D\u2019ici quelques semaines, si les r\u00e9sultats vont dans le bon sens, les Fran\u00e7ais les plus vuln\u00e9rables \u00e0 la maladie Covid-19 pourront se faire vacciner. Il y a un an, \u00e0 l\u2019aube de la pand\u00e9mie de coronavirus, m\u00eame les estimations les plus enthousiastes n\u2019imaginaient pas qu\u2019un vaccin puisse \u00eatre commercialis\u00e9 en moins de 12 mois.<\/div>\n<div>Mais m\u00eame si les chiffres d\u2019efficacit\u00e9 et de s\u00fbret\u00e9 sont confirm\u00e9s, m\u00eame si la campagne de vaccination d\u00e9bute, il reste beaucoup d\u2019inconnues autour des vaccins. L\u2019immunologiste Alain Fischer, qui va chapeauter la strat\u00e9gie vaccinale fran\u00e7aise, a d\u2019ailleurs rappel\u00e9 jeudi 3 d\u00e9cembre un point essentiel, \u201ccritique\u201d m\u00eame: \u201cSavoir si le vaccin prot\u00e8ge contre l\u2019infection, mais aussi s\u2019il prot\u00e8ge contre la transmission\u201d.<\/div>\n<div>Le but ultime d\u2019un vaccin consiste \u00e0 \u00e9radiquer un virus ou une bact\u00e9rie. Pourtant, certains ne font qu\u2019emp\u00eacher la maladie de se d\u00e9velopper, une fois le virus contract\u00e9. Dans ces cas-l\u00e0, une personne vaccin\u00e9e peut tout de m\u00eame attraper le virus et \u00eatre contagieuse. Le probl\u00e8me, rappel\u00e9 par Alain Fischer, est qu\u2019\u201cil faudra plusieurs mois\u201d pour savoir si les candidats vaccins les plus avanc\u00e9s (Pfizer\/Biontech, Moderna, AstraZeneca) sont bien capables de stopper la transmission.<\/div>\n<div>Pourquoi un d\u00e9lai si long? Tout simplement parce que les industriels les plus avanc\u00e9s n\u2019ont pas cherch\u00e9, dans les essais cliniques en cours, \u00e0 v\u00e9rifier cette information. Et si les vaccins actuels ne servent qu\u2019\u00e0 emp\u00eacher la survenue de formes graves, il faudra peut-\u00eatre imaginer d\u2019autres proc\u00e9d\u00e9s ciblant le syst\u00e8me&#8230;<\/div>\n<div style=\"text-align: right\">(HuffPost)<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>D\u2019ici quelques semaines, si les r\u00e9sultats vont dans le bon sens, les Fran\u00e7ais les plus vuln\u00e9rables \u00e0 la maladie Covid-19 pourront se faire vacciner. Il y a un an, \u00e0&hellip;<\/p>\n","protected":false},"author":60,"featured_media":197664,"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-197662","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: si les vaccins ne bloquent pas la transmission, les vaccins muqueux seront notre espoir - R\u00e9alit\u00e9s Magazine<\/title>\n<meta name=\"description\" content=\"D\u2019ici quelques semaines, si les r\u00e9sultats vont dans le bon sens, les Fran\u00e7ais les plus vuln\u00e9rables \u00e0 la maladie Covid-19 pourront se faire vacciner. 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