{"id":75658,"date":"2025-04-05T00:13:05","date_gmt":"2025-04-04T22:13:05","guid":{"rendered":"https:\/\/www.infokuryr.cz\/n\/?p=75658"},"modified":"2025-04-04T10:01:10","modified_gmt":"2025-04-04T08:01:10","slug":"americka-studie-odhaluje-ockovani-proti-covid-2023-24-stezi-funguje-drahe-placebo","status":"publish","type":"post","link":"https:\/\/www.infokuryr.cz\/n\/2025\/04\/05\/americka-studie-odhaluje-ockovani-proti-covid-2023-24-stezi-funguje-drahe-placebo\/","title":{"rendered":"Americk\u00e1 studie odhaluje: O\u010dkov\u00e1n\u00ed proti COVID 2023\/24 st\u011b\u017e\u00ed funguje \u2013 drah\u00e9 placebo?"},"content":{"rendered":"<div id=\"fb-root\"><\/div>\n<div class=\"elementor-element elementor-element-1fb4c2c elementor-widget elementor-widget-theme-post-content\" data-id=\"1fb4c2c\" data-element_type=\"widget\" data-widget_type=\"theme-post-content.default\">\n<div class=\"elementor-widget-container\">\n<p><strong><span>\u00da\u010dinnost vakc\u00edn COVID-19 2023\u20132024 proti XBB.1.5: Mal\u00e1 ochrana proti infekci, omezen\u00e1 doba pou\u017eitelnosti<\/span><\/strong><\/p>\n<p><strong><span>Novinky na zku\u0161ebn\u00edm webu<\/span><\/strong><\/p>\n<p><span>Nov\u00e1\u00a0<\/span><a href=\"https:\/\/www.acpjournals.org\/doi\/10.7326\/ANNALS-24-01015\" target=\"_blank\" rel=\"noreferrer noopener\" data-type=\"link\" data-id=\"https:\/\/www.acpjournals.org\/doi\/10.7326\/ANNALS-24-01015\"><span>studie<\/span><\/a><span>\u00a0veden\u00e1\u00a0<\/span><a href=\"https:\/\/gastro.uw.edu\/people\/faculty\/ioannou-g\" target=\"_blank\" rel=\"noreferrer noopener\" data-type=\"link\" data-id=\"https:\/\/gastro.uw.edu\/people\/faculty\/ioannou-g\"><span>Dr. Georgem N. Ioannouem<\/span><\/a><span>\u00a0a jeho t\u00fdmem v\u00a0<\/span><em><span>Puget Sound Health Care System (VA)<\/span><\/em><span>\u00a0byla zve\u0159ejn\u011bna v \u00fanoru 2025\u00a0<\/span><em><span>v Annals of Internal Medicine<\/span><\/em><span>\u00a0. Hodnotila skute\u010dnou \u00fa\u010dinnost monovalentn\u00edch vakc\u00edn XBB.1.5 COVID-19 pou\u017e\u00edvan\u00fdch v letech 2023\/24.<\/span><\/p>\n<p><span>Proto\u017ee p\u0159ed schv\u00e1len\u00edm nebyly provedeny \u017e\u00e1dn\u00e9 randomizovan\u00e9, kontrolovan\u00e9 studie, pou\u017eili v\u011bdci to, co je zn\u00e1mo jako\u00a0<\/span><strong><span>emulace c\u00edlov\u00e9 studie<\/span><\/strong><span>\u00a0\u2013 robustn\u00ed pozorovac\u00ed metodu. V obdob\u00ed od\u00a0<strong>\u0159\u00edjna 2023 do kv\u011btna 2024<\/strong>\u00a0byla analyzov\u00e1na data od v\u00edce ne\u017e\u00a0<\/span><strong><span>587 000 o\u010dkovan\u00fdch americk\u00fdch veter\u00e1n\u016f<\/span><\/strong><span>\u00a0ve srovn\u00e1n\u00ed s neo\u010dkovanou kontroln\u00ed skupinou stejn\u00e9ho v\u011bku\u00a0.<\/span><\/p>\n<p><span>Z\u00e1kladn\u00ed hypot\u00e9zou bylo, \u017ee vakc\u00edna XBB.1.5 ochr\u00e1n\u00ed p\u0159ed\u00a0<\/span><strong><span>infekc\u00ed<\/span><\/strong><span>\u00a0,\u00a0<\/span><strong><span>hospitalizac\u00ed<\/span><\/strong><span>\u00a0a\u00a0<\/span><strong><span>\u00famrt\u00edm<\/span><\/strong><span>\u00a0na SARS-CoV-2 \u2013 a\u010dkoli se o\u010dek\u00e1valo, \u017ee tato ochrana bude \u010dasem klesat.<\/span><\/p>\n<p><span>V\u00fdsledky v\u0161ak hovo\u0159\u00ed jin\u00fdm jazykem:<\/span><\/p>\n<ul>\n<li><strong><span>\u017d\u00e1dn\u00fd ochrann\u00fd \u00fa\u010dinek proti infekc\u00edm<\/span><\/strong><span>\u00a0&#8211; \u00fa\u010dinnost byla\u00a0<\/span><strong><span>-3,3 %<\/span><\/strong><span>\u00a0, co\u017e ukazuje na\u00a0<\/span><strong><span>\u017e\u00e1dn\u00fd nebo negativn\u00ed \u00fa\u010dinek<\/span><\/strong><span>\u00a0.<\/span><\/li>\n<li><strong><span>M\u00edrn\u00e1 ochrana p\u0159ed hospitalizac\u00ed<\/span><\/strong><span>\u00a0:\u00a0<\/span><strong><span>16,6 %<\/span><\/strong><\/li>\n<li><strong><span>Omezen\u00e1 ochrana proti smrteln\u00fdm \u00faraz\u016fm<\/span><\/strong><span>\u00a0:\u00a0<\/span><strong><span>26,6 %<\/span><\/strong><\/li>\n<\/ul>\n<p><span>Krom\u011b toho se ochrana v\u00fdrazn\u011b sn\u00ed\u017eila:<\/span><\/p>\n<ul>\n<li><span>Ochrana p\u0159ed hospitalizac\u00ed klesla z\u00a0<\/span><strong><span>38 % po 60 dnech<\/span><\/strong><span>\u00a0na\u00a0<\/span><strong><span>16 % po \u0161esti m\u011bs\u00edc\u00edch<\/span><\/strong><\/li>\n<li><span>Ochrana proti smrti ve stejn\u00e9m obdob\u00ed klesla z\u00a0<\/span><strong><span>54 % na 27 %.<\/span><\/strong><\/li>\n<\/ul>\n<p><span>Navzdory velikosti a n\u00e1ro\u010dnosti studie existovala ur\u010dit\u00e1 omezen\u00ed:<\/span><\/p>\n<ul>\n<li><strong><span>Ne\u00fapln\u00e9 \u00fadaje<\/span><\/strong><span>\u00a0z nemocnic mimo VA<\/span><\/li>\n<li><span>\u017d\u00e1dn\u00e9 definitivn\u00ed potvrzen\u00ed, zda v\u0161echny zaznamenan\u00e9 hospitalizace a \u00famrt\u00ed skute\u010dn\u011b\u00a0souvisely\u00a0<\/span><strong><span>s COVID-19<\/span><\/strong><\/li>\n<\/ul>\n<p><span>Celkov\u011b\u00a0v\u00fdsledky ukazuj\u00ed, \u017ee\u00a0<\/span><strong><span>vakc\u00edny nam\u00ed\u0159en\u00e9 proti<\/span><\/strong><\/p>\n<p><span>Auto\u0159i proto volaj\u00ed po nov\u00fdch o\u010dkovac\u00edch strategi\u00edch, jejich\u017e c\u00edlem je poskytnout\u00a0<\/span><strong><span>\u0161ir\u0161\u00ed a dlouhodob\u011bj\u0161\u00ed ochranu<\/span><\/strong><span>\u00a0\u2013 nap\u0159\u00edklad prost\u0159ednictv\u00edm\u00a0<\/span><strong><span>slizni\u010dn\u00edch vakc\u00edn<\/span><\/strong><span>\u00a0nebo\u00a0<\/span><strong><span>bezjehlov\u00fdch forem aplikace<\/span><\/strong><span>\u00a0, kter\u00e9 by tak\u00e9 mohly\u00a0<\/span><strong><span>\u00fa\u010dinn\u011bji blokovat p\u0159enos viru<\/span><\/strong><span>\u00a0.<\/span><\/p>\n<\/div>\n<\/div>\n<div class=\"elementor-element elementor-element-8c57238 quelle dc-has-condition dc-condition-empty elementor-widget elementor-widget-heading\" data-id=\"8c57238\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n<div class=\"elementor-widget-container\">\n<h3 class=\"elementor-heading-title elementor-size-default\"><span style=\"font-size: 10pt;\"><a href=\"https:\/\/www.trialsitenews.com\/a\/effectiveness-of-the-2023-to-2024-xbb.1.5-covid-19-vaccineslack-of-durability-zero-protection-against-infection-c40fc7ef\" target=\"_blank\" rel=\"nofollow noopener\">Zdroj<\/a><\/span><\/h3>\n<p>&nbsp;<\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u00da\u010dinnost vakc\u00edn COVID-19 2023\u20132024 proti XBB.1.5: Mal\u00e1 ochrana proti infekci, omezen\u00e1 doba pou\u017eitelnosti Novinky na&#8230;<\/p>\n","protected":false},"author":2,"featured_media":75659,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[7],"tags":[23,839,37,651],"_links":{"self":[{"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/posts\/75658"}],"collection":[{"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/comments?post=75658"}],"version-history":[{"count":0,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/posts\/75658\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/media\/75659"}],"wp:attachment":[{"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/media?parent=75658"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/categories?post=75658"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/tags?post=75658"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}