{"id":8421,"date":"2025-05-02T14:00:00","date_gmt":"2025-05-02T18:00:00","guid":{"rendered":"https:\/\/stillcoviding.ca\/fr\/?p=8421"},"modified":"2025-05-05T19:38:34","modified_gmt":"2025-05-05T23:38:34","slug":"va-study-pfizer-covid-booster-68-effective-against-hospitalization","status":"publish","type":"post","link":"https:\/\/stillcoviding.ca\/fr\/nouvelles\/va-study-pfizer-covid-booster-68-effective-against-hospitalization\/","title":{"rendered":"\u00c9tude de Veterans Affairs&nbsp;: Le rappel du vaccin COVID de Pfizer a une efficacit\u00e9 de 68&nbsp;% contre l\u2019hospitalisation"},"content":{"rendered":"<p>Une \u00e9tude publi\u00e9e en d\u00e9but de semaine dans <i>Nature Communications<\/i> \u00e0 partir des donn\u00e9es de r\u00e9clamations du syst\u00e8me de sant\u00e9 am\u00e9ricain Veterans Affairs (VA) r\u00e9v\u00e8le que la protection offerte par le vaccin Pfizer contre la COVID-19 en 2024-25 \u00e9tait de 68&nbsp;%, 57&nbsp;% et 56&nbsp;% contre les hospitalisations li\u00e9es \u00e0 la COVID-19, les visites aux services d\u2019urgence et aux soins d\u2019urgence (ED\/UC), et les visites ambulatoires, respectivement.<\/p>\n<p>Toutefois, les auteurs\u00b7trices mettent en garde contre le fait que l\u2019adoption du vaccin \u00e9tait extr\u00eamement faible \u2013 seulement 3,7&nbsp;% jusqu\u2019en novembre\u00a02024 \u2013 et que l\u2019\u00e9tude n\u2019a pas \u00e9valu\u00e9 la diminution de son efficacit\u00e9.<\/p>\n<p><a target=\"_blank\" lang=\"en\" href=\"https:\/\/www.nature.com\/articles\/s41467-025-59344-7\">L\u2019\u00e9tude<\/a> a estim\u00e9 l\u2019efficacit\u00e9 vaccinale (EV) pr\u00e9coce du vaccin BNT162b2 KP.2 (formulation 2024-25) contre les s\u00e9quelles li\u00e9es \u00e0 la COVID-19, par rapport au fait de ne pas recevoir le vaccin.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Une \u00e9tude publi\u00e9e en d\u00e9but de semaine dans <i>Nature Communications<\/i> \u00e0 partir des donn\u00e9es de r\u00e9clamations du syst\u00e8me de sant\u00e9 am\u00e9ricain Veterans Affairs (VA) r\u00e9v\u00e8le que la protection offerte par le vaccin Pfizer contre la COVID-19 en 2024-25 \u00e9tait de 68&nbsp;%, 57&nbsp;% et 56&nbsp;% contre les hospitalisations li\u00e9es \u00e0 la COVID-19, les visites aux services d\u2019urgence et aux soins d\u2019urgence (ED\/UC), et les visites ambulatoires, respectivement.<\/p>\n<p>Toutefois, les auteurs\u00b7trices mettent en garde contre le fait que l\u2019adoption du vaccin \u00e9tait extr\u00eamement faible \u2013 seulement 3,7&nbsp;% jusqu\u2019en novembre\u00a02024 \u2013 et que l\u2019\u00e9tude n\u2019a pas \u00e9valu\u00e9 la diminution de son efficacit\u00e9.<\/p>\n<p><a target=\"_blank\" lang=\"en\" href=\"https:\/\/www.nature.com\/articles\/s41467-025-59344-7\">L\u2019\u00e9tude<\/a> a estim\u00e9 l\u2019efficacit\u00e9 vaccinale (EV) pr\u00e9coce du vaccin BNT162b2 KP.2 (formulation 2024-25) contre les s\u00e9quelles li\u00e9es \u00e0 la COVID-19, par rapport au fait de ne pas recevoir le vaccin.<\/p>\n<div class=\"more-link-wrapper\"><a class=\"more-link\" href=\"https:\/\/stillcoviding.ca\/fr\/nouvelles\/va-study-pfizer-covid-booster-68-effective-against-hospitalization\/\">Lire la suite<span class=\"screen-reader-text\">\u00c9tude de Veterans Affairs&nbsp;: Le rappel du vaccin COVID de Pfizer a une efficacit\u00e9 de 68&nbsp;% contre l\u2019hospitalisation<\/span><\/a><\/div>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[16,254,862,7,12,13],"class_list":["post-8421","post","type-post","status-publish","format-standard","hentry","category-nouvelles","tag-covid-19","tag-pfizer","tag-pfizer-biontech","tag-recherche","tag-sras-cov-2","tag-vaccins","entry"],"_links":{"self":[{"href":"https:\/\/stillcoviding.ca\/fr\/wp-json\/wp\/v2\/posts\/8421","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/stillcoviding.ca\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/stillcoviding.ca\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/stillcoviding.ca\/fr\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/stillcoviding.ca\/fr\/wp-json\/wp\/v2\/comments?post=8421"}],"version-history":[{"count":3,"href":"https:\/\/stillcoviding.ca\/fr\/wp-json\/wp\/v2\/posts\/8421\/revisions"}],"predecessor-version":[{"id":8424,"href":"https:\/\/stillcoviding.ca\/fr\/wp-json\/wp\/v2\/posts\/8421\/revisions\/8424"}],"wp:attachment":[{"href":"https:\/\/stillcoviding.ca\/fr\/wp-json\/wp\/v2\/media?parent=8421"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/stillcoviding.ca\/fr\/wp-json\/wp\/v2\/categories?post=8421"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/stillcoviding.ca\/fr\/wp-json\/wp\/v2\/tags?post=8421"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}