{"id":77783,"date":"2025-05-02T00:21:32","date_gmt":"2025-05-01T22:21:32","guid":{"rendered":"https:\/\/www.infokuryr.cz\/n\/?p=77783"},"modified":"2025-05-01T13:48:56","modified_gmt":"2025-05-01T11:48:56","slug":"poliomyelitida-vetsina-pripadu-je-zpusobena-sirenim-vakciny-nikoli-divokym-virem","status":"publish","type":"post","link":"https:\/\/www.infokuryr.cz\/n\/2025\/05\/02\/poliomyelitida-vetsina-pripadu-je-zpusobena-sirenim-vakciny-nikoli-divokym-virem\/","title":{"rendered":"Poliomyelitida: V\u011bt\u0161ina p\u0159\u00edpad\u016f je zp\u016fsobena \u0161\u00ed\u0159en\u00edm vakc\u00edny, nikoli divok\u00fdm virem"},"content":{"rendered":"<div id=\"fb-root\"><\/div>\n<p><strong><span>Peror\u00e1ln\u00ed o\u010dkov\u00e1n\u00ed proti obrn\u011b s sebou nese vysok\u00e9 riziko \u0161\u00ed\u0159en\u00ed a \u0161\u00ed\u0159en\u00ed mutovan\u00fdch vir\u016f, kter\u00e9 zp\u016fsobuj\u00ed ob\u00e1vanou obrnu. Ukazuje to i ned\u00e1vno publikovan\u00e1 studie. Pochybnosti o \u00fa\u010dinnosti a bezpe\u010dnosti vakc\u00edny nar\u016fstaj\u00ed. Jak dlouho tohle chceme ignorovat?<\/span><\/strong><\/p>\n<p><span>Peror\u00e1ln\u00ed vakc\u00edna proti obrn\u011b (OPV), pou\u017e\u00edvan\u00e1 po cel\u00e9m sv\u011bt\u011b k eradikaci obrny, se zjevn\u011b sama o sob\u011b st\u00e1v\u00e1 velk\u00fdm probl\u00e9mem. Vzhledem k uvol\u0148ov\u00e1n\u00ed zjevn\u011b mutovan\u00fdch vir\u016f obrny \u2013 co\u017e nyn\u00ed potvrdila \u010d\u00ednsk\u00e1 studie s n\u00e1zvem \u201e\u00a0<\/span><a href=\"https:\/\/www.nature.com\/articles\/s41541-025-01134-9\"><span>Uvol\u0148ov\u00e1n\u00ed vir\u016f obrny po sekven\u010dn\u00ed imunizaci inaktivovan\u00fdch vakc\u00edn proti obrn\u011b kmene Sabin a peror\u00e1ln\u00edch atenuovan\u00fdch vakc\u00edn proti obrn\u011b<\/span><\/a><span> \u201c publikovan\u00e1 v \u010dasopise \u201eNPJ Vaccines\u201c \u2013 tato vakc\u00edna sama o sob\u011b potenci\u00e1ln\u011b p\u0159isp\u00edv\u00e1 k propuknut\u00ed tohoto onemocn\u011bn\u00ed.<\/span><\/p>\n<p><span>V\u011bdci dok\u00e1zali, \u017ee v\u00edce ne\u017e 80 procent kojenc\u016f po peror\u00e1ln\u00edm o\u010dkov\u00e1n\u00ed proti obrn\u011b vylu\u010duje \u017eiv\u00e9 viry d\u011btsk\u00e9 obrny. U v\u00edce ne\u017e 10 procent kojenc\u016f o\u010dkovan\u00fdch OPV trvalo toto vylu\u010dov\u00e1n\u00ed dokonce t\u00fddny. Typ 3 viru vykazoval nejnebezpe\u010dn\u011bj\u0161\u00ed \u0161\u00ed\u0159en\u00ed: nejdel\u0161\u00ed dobu (a\u017e 28 dn\u00ed), nejvy\u0161\u0161\u00ed m\u00edru (a\u017e 91,7 procenta) a nejrychlej\u0161\u00ed akumulaci mutac\u00ed. Nem\u011blo by se zapom\u00ednat, \u017ee divok\u00e9 viry obrny typu 2 a 3 jsou pova\u017eov\u00e1ny za eradikovan\u00e9 a sou\u010dasn\u00e9 p\u0159\u00edpady jsou zp\u016fsobeny \u010dist\u011b \u0161\u00ed\u0159en\u00edm o\u010dkov\u00e1n\u00edm.<\/span><\/p>\n<p><span>To, co \u010d\u00edn\u0161t\u00ed v\u011bdci tak\u00e9 zjistili ve sv\u00e9 studii celkem 1200 kojenc\u016f, je \u0161okuj\u00edc\u00ed. Viry obrny z\u00edskan\u00e9 z vakc\u00edn se nezdaj\u00ed jen tak mizet, ale ve skute\u010dnosti z\u00edsk\u00e1vaj\u00ed na s\u00edle a patogenit\u011b. V podstat\u011b to vypad\u00e1, jako by se tato nemoc \u0161\u00ed\u0159ila z\u00e1m\u011brn\u011b. Ale to nen\u00ed v\u0161echno.<\/span><\/p>\n<p><span>Ofici\u00e1ln\u00ed \u00fadaje (viz\u00a0<\/span><a href=\"https:\/\/en.wikipedia.org\/wiki\/Polio_eradication\"><span>zde<\/span><\/a><span>\u00a0,\u00a0<\/span><a href=\"https:\/\/www.cdc.gov\/mmwr\/volumes\/72\/wr\/mm7219a3.htm\"><span>zde<\/span><\/a><span>\u00a0a\u00a0<\/span><a href=\"https:\/\/www.cdc.gov\/mmwr\/volumes\/68\/wr\/mm6845a4.htm\"><span>zde<\/span><\/a><span>\u00a0) ukazuj\u00ed, \u017ee v letech 2018 a\u017e 2023 bylo na cel\u00e9m sv\u011bt\u011b zaznamen\u00e1no p\u0159ibli\u017en\u011b 400 p\u0159\u00edpad\u016f onemocn\u011bn\u00ed divok\u00fdm virem obrny a t\u00e9m\u011b\u0159 3 700 p\u0159\u00edpad\u016f vyvolan\u00fdch o\u010dkov\u00e1n\u00edm. P\u0159echod z atenuovan\u00fdch na inaktivovan\u00e9 polioviry tak\u00e9 nedok\u00e1zal zabr\u00e1nit ani \u0161\u00ed\u0159en\u00ed, ani \u0161\u00ed\u0159en\u00ed viru. Naopak, toto o\u010dkov\u00e1n\u00ed jednozna\u010dn\u011b p\u0159i\u017eivuje ohniska n\u00e1kazy a d\u00e1le \u0161\u00ed\u0159\u00ed nemoc, zejm\u00e9na v regionech s n\u00edzkou proo\u010dkovanost\u00ed (zejm\u00e9na v Africe).<\/span><\/p>\n<p><span>V\u00fdsledky t\u00e9to studie ukazuj\u00ed, \u017ee sou\u010dasn\u00e1 strategie kontroly d\u011btsk\u00e9 obrny je spojena s rizikov\u00fdmi probl\u00e9my. V zem\u00edch, jako je N\u011bmecko, se m\u00edsto peror\u00e1ln\u00ed vakc\u00edny proti obrn\u011b, o kter\u00e9 se \u0159\u00edk\u00e1, \u017ee nehroz\u00ed \u017e\u00e1dn\u00e9 riziko \u0161\u00ed\u0159en\u00ed viru (pokud nedojde k\u00a0<\/span><a href=\"https:\/\/en.wikipedia.org\/wiki\/Cutter_Laboratories\" target=\"_blank\" rel=\"noreferrer noopener\"><span>v\u00fdrobn\u00edm chyb\u00e1m<\/span><\/a><span>\u00a0), pou\u017e\u00edv\u00e1 inaktivovan\u00e1 vakc\u00edna proti obrn\u011b (IPV).\u00a0Existuj\u00ed v\u0161ak tak\u00e9 d\u016fkazy o vylu\u010dov\u00e1n\u00ed viru z\u00a0<\/span><a href=\"https:\/\/report24.news\/shedding-nach-covid-schuss-impf-studie-sorgt-fuer-zuendstoff\/\"><span>vakc\u00edn proti covidu<\/span><\/a><span>\u00a0. Jak u\u017e tomu tak \u010dasto b\u00fdv\u00e1, z\u016fst\u00e1v\u00e1 ot\u00e1zkou, zda farmaceutick\u00fd pr\u016fmysl bere dostate\u010dn\u011b v\u00e1\u017en\u011b rizika spojen\u00e1 s produkty, kter\u00e9 distribuuje ve velk\u00e9m m\u011b\u0159\u00edtku.<\/span><\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-71983\" src=\"http:\/\/www.infokuryr.cz\/n\/wp-content\/uploads\/2025\/02\/aaa.jpg\" alt=\"\" width=\"89\" height=\"23\" \/><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Peror\u00e1ln\u00ed o\u010dkov\u00e1n\u00ed proti obrn\u011b s sebou nese vysok\u00e9 riziko \u0161\u00ed\u0159en\u00ed a \u0161\u00ed\u0159en\u00ed mutovan\u00fdch vir\u016f, kter\u00e9&#8230;<\/p>\n","protected":false},"author":2,"featured_media":77784,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[7],"tags":[1271,213,9030,651],"_links":{"self":[{"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/posts\/77783"}],"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=77783"}],"version-history":[{"count":0,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/posts\/77783\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/media\/77784"}],"wp:attachment":[{"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/media?parent=77783"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/categories?post=77783"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/tags?post=77783"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}