Jack Phillips<\/a> | 4. 11. 2021<\/p>\n\n\n\n Minul\u00fd t\u00fdden byla na str\u00e1nk\u00e1ch medic\u00ednsk\u00e9ho\u00a0\u010dasopisu The L<\/a>a<\/a>ncet<\/a> publikov\u00e1na studie Imperial College London. Na z\u00e1klad\u011b ro\u010dn\u00edho pozorov\u00e1n\u00ed do\u0161li v\u011bdci k\u00a0z\u00e1v\u011bru, \u017ee varianta delta wuchansk\u00e9ho koronaviru se m\u016f\u017ee snadno p\u0159en\u00e9st z\u00a0o\u010dkovan\u00fdch osob na \u010dleny jejich dom\u00e1cnosti. O\u010dkov\u00e1n\u00ed je p\u0159esto dle tv\u016frc\u016f studie \u201ecestou vp\u0159ed\u201c.<\/strong><\/p>\n\n\n\n \u201eProv\u00e1d\u011bn\u00edm opakovan\u00fdch a\u00a0\u010dast\u00fdch odb\u011br\u016f vzork\u016f od osob, kter\u00e9 byly v\u00a0kontaktu s\u00a0naka\u017een\u00fdmi covidem-19, jsme zjistili, \u017ee o\u010dkovan\u00e9 osoby se mohou nakazit a\u00a0p\u0159en\u00e9st infekci v\u00a0r\u00e1mci dom\u00e1cnosti, a\u00a0to i\u00a0na o\u010dkovan\u00e9 \u010dleny dom\u00e1cnosti,\u201c uvedla<\/a> v\u00a0prohl\u00e1\u0161en\u00ed dr. Anika Singanayagamov\u00e1, spoluautorka studie.<\/p>\n\n\n\n Tato zji\u0161t\u011bn\u00ed dle dr. Singanayagamov\u00e9 poskytuj\u00ed ur\u010dit\u00fd n\u00e1hled na to, pro\u010d varianta delta \u201est\u00e1le zp\u016fsobuje vysok\u00fd po\u010det p\u0159\u00edpad\u016f onemocn\u011bn\u00ed covidem-19 \u2026 dokonce i v zem\u00edch s vysokou m\u00edrou proo\u010dkovanosti\u201c.<\/p>\n\n\n\n Analyzov\u00e1n\u00edm v\u011bdci tak\u00e9 zjistili, \u017ee virov\u00e1 n\u00e1lo\u017e klesla rychleji u o\u010dkovan\u00fdch osob ne\u017e u neo\u010dkovan\u00fdch.<\/p>\n\n\n\n Z\u00e1rove\u0148 v\u0161ak zji\u0161t\u011bn\u00ed ukazuj\u00ed, \u017ee maxim\u00e1ln\u00ed hladiny mno\u017estv\u00ed wuchansk\u00e9ho koronaviru<\/a> byly u\u00a0o\u010dkovan\u00fdch osob obdobn\u00e9 jako u\u00a0neo\u010dkovan\u00fdch osob. To m\u016f\u017ee b\u00fdt podle tv\u016frc\u016f studie d\u016fvod, pro\u010d se varianta delta m\u016f\u017ee \u0161\u00ed\u0159it navzdory o\u010dkov\u00e1n\u00ed.<\/p>\n\n\n\n Kv\u016fli p\u0159enosu varianty delta mezi neo\u010dkovan\u00fdmi i o\u010dkovan\u00fdmi lidmi je dle dr. Ajita Lalvaniho, dal\u0161\u00edho v\u00fdzkumn\u00edka zapojen\u00e9ho do studie, nutn\u00e9, aby se lid\u00e9 nechali o\u010dkovat nebo si nechali vp\u00edchnout dodate\u010dnou d\u00e1vku, aby se p\u0159ede\u0161lo p\u0159\u00edpadn\u00fdm t\u011b\u017ek\u00fdm pr\u016fb\u011bh\u016fm nemoci.<\/p>\n\n\n\n \u201eZjistili jsme, \u017ee n\u00e1chylnost k\u00a0infekci se zv\u00fd\u0161ila ji\u017e b\u011bhem n\u011bkolika m\u011bs\u00edc\u016f po\u00a0druh\u00e9 d\u00e1vce vakc\u00edny \u2026 tak\u017ee ti, kter\u00fdm byla nab\u00eddnuta dodate\u010dn\u00e1 d\u00e1vka, by ji m\u011bli dostat neprodlen\u011b,\u201c \u0159ekl Lalvani.<\/p>\n\n\n\n Studie se z\u00fa\u010dastnilo 621 lid\u00ed. Bylo zji\u0161t\u011bno, \u017ee z 205 \u010dlen\u016f dom\u00e1cnost\u00ed od osob, kter\u00e9 byly infikov\u00e1ny deltou, bylo pozitivn\u011b testov\u00e1no cca 38 % neo\u010dkovan\u00fdch \u010dlen\u016f dom\u00e1cnosti a 25 % o\u010dkovan\u00fdch \u010dlen\u016f dom\u00e1cnosti.<\/p>\n\n\n\n Ve v\u00fdzkumu bylo tak\u00e9 zji\u0161t\u011bno, \u017ee imunita o\u010dkovan\u00fdch za\u010dala klesat ji\u017e t\u0159i m\u011bs\u00edce po pln\u00e9m o\u010dkov\u00e1n\u00ed.<\/p>\n\n\n\n \u201eZd\u00e1 se, \u017ee existuje snaha zru\u0161it term\u00edn \u201ap\u0159irozen\u00e1 imunita\u2018, snaha o zastra\u0161ov\u00e1n\u00ed tvrzen\u00edm, \u017ee o\u010dkovan\u00ed se mus\u00ed b\u00e1t neo\u010dkovan\u00fdch, a neochota p\u0159istupovat k ve\u0159ejnosti jako k dosp\u011bl\u00fdm lidem \u2026\u201c<\/strong><\/p><\/blockquote>\n\n\n\n N\u011bkte\u0159\u00ed imunologov\u00e9 a l\u00e9ka\u0159i v souvislosti s tlakem na o\u010dkov\u00e1n\u00ed velk\u00e9 \u010d\u00e1sti populace tvrd\u00ed, \u017ee p\u0159irozen\u00e1 imunita pot\u0159ebuje dal\u0161\u00ed v\u00fdzkum a m\u011bla by b\u00fdt zohledn\u011bna p\u0159i rozhodov\u00e1n\u00ed o politice.<\/p>\n\n\n\n