Az MTI azt \u00edrja, az \u00faj t\u00edpus\u00fa koronav\u00edrus h\u00f3napokig \u00e9szrev\u00e9tlen\u00fcl terjedhetett az els\u0151 Covid-19-esetek 2019. decemberi k\u00ednai megjelen\u00e9se el\u0151tt amerikai kutat\u00f3k szerint, akik a Science c\u00edm\u0171 tudom\u00e1nyos foly\u00f3iratban megjelent tanulm\u00e1nyukban \u00fagy becs\u00fclik, legkor\u00e1bban 2019 okt\u00f3ber\u00e9ben jelenhetett meg a v\u00edrus K\u00edn\u00e1ban.<\/p>\n
A San Dieg\u00f3-i sz\u00e9khely\u0171 Kaliforniai Egyetem, az Arizonai Egyetem \u00e9s az Illumina c\u00e9g kutat\u00f3i molekul\u00e1ris kormeghat\u00e1roz\u00e1si eszk\u00f6z\u00f6kkel \u00e9s j\u00e1rv\u00e1ny\u00fcgyi szimul\u00e1ci\u00f3kkal jutottak erre a k\u00f6vetkeztet\u00e9sre. \u201cArra kerest\u00fck a v\u00e1laszt, hogy milyen hossz\u00fa ideig terjedhetett a SARS-CoV-2 K\u00edn\u00e1ban, miel\u0151tt felfedezt\u00e9k\u201d – mondta Joel O. Wertheim, a Kaliforniai Egyetem adjunktusa, a tanulm\u00e1ny egyik t\u00e1rsszerz\u0151je. \u201cHogy megtal\u00e1ljuk a v\u00e1laszt, az inform\u00e1ci\u00f3 h\u00e1rom fontos szelet\u00e9t kombin\u00e1ltuk – a v\u00edrus vuhani lez\u00e1r\u00e1sok el\u0151tti terjed\u00e9s\u00e9nek r\u00e9szletes meg\u00e9rt\u00e9s\u00e9t, a v\u00edrus genetikai soksz\u00edn\u0171s\u00e9g\u00e9t K\u00edn\u00e1ban \u00e9s a legkor\u00e1bbi k\u00ednai Covid-19-esetekr\u0151l sz\u00f3l\u00f3 jelent\u00e9seket\u201d – r\u00e9szletezte a kutat\u00f3.<\/p>\n
2019 december v\u00e9g\u00e9n jelentett\u00e9k az els\u0151 Covid-19-eseteket a k\u00f6zep-k\u00ednai Hopej tarhttps:\/\/erdmost.hu\/wp-content\/uploads\/2021\/06\/business-blog-session-cover-img-03.jpg\u00e1nyban l\u00e9v\u0151 Vuhanb\u00f3l. Az \u00faj koronav\u00edrus gyorsan elterjedt a tarhttps:\/\/erdmost.hu\/wp-content\/uploads\/2021\/06\/business-blog-session-cover-img-03.jpg\u00e1nyb\u00f3l. A k\u00ednai hat\u00f3s\u00e1gok lez\u00e1rt\u00e1k a t\u00e9rs\u00e9get \u00e9s az eg\u00e9sz orsz\u00e1gra kiterjed\u0151 int\u00e9zked\u00e9seket hoztak a betegs\u00e9g terjed\u00e9s\u00e9nek a feltart\u00f3ztat\u00e1s\u00e1ra. 2020 \u00e1prilis\u00e1ra ellen\u0151rz\u00e9s al\u00e1 vont\u00e1k, de akkorra a vil\u00e1g m\u00e1r t\u00f6bb mint 100 orsz\u00e1g\u00e1ban megjelent a Covid-19.<\/p>\n
Az \u00faj koronav\u00edrus zoonikus v\u00edrus \u00e9s azt felt\u00e9telezt\u00e9k, hogy az esetek els\u0151 csoportja a vuhani \u00e1llatpiacr\u00f3l terjedt el, de a tanulm\u00e1ny szerz\u0151i szerint nem val\u00f3sz\u00edn\u0171, hogy ezek jelentik a j\u00e1rv\u00e1ny kezdet\u00e9t, mivel a legkor\u00e1bbi feljegyzett Covid-19-esetek nem kapcsol\u00f3dnak a piachoz. Helyi \u00fajs\u00e1gjelent\u00e9sek azt sugallj\u00e1k, hogy Hopej tarhttps:\/\/erdmost.hu\/wp-content\/uploads\/2021\/06\/business-blog-session-cover-img-03.jpg\u00e1nyban a Covid-19 diagnosztiz\u00e1l\u00e1sa legal\u00e1bb 2019. november 17-re dat\u00e1l\u00f3dik, ami azt felt\u00e9telezi, hogy m\u00e1r akt\u00edvan terjedt K\u00edn\u00e1ban, amikor a k\u00ednai hat\u00f3s\u00e1gok az els\u0151 j\u00e1rv\u00e1ny\u00fcgyi int\u00e9zked\u00e9seket \u00e9letbe l\u00e9ptett\u00e9k.<\/p>\n
A molekul\u00e1ris alap\u00fa evol\u00faci\u00f3s id\u0151pontmeghat\u00e1roz\u00e1s alapj\u00e1ul szolg\u00e1l\u00f3 molekul\u00e1ris \u00f3r\u00e1val meghat\u00e1rozt\u00e1k, hogy a SARS-CoV-2 valamennyi vari\u00e1ns\u00e1nak k\u00f6z\u00f6s \u0151se legkor\u00e1bban 2019 november k\u00f6zep\u00e9n l\u00e9tezhetett.<\/p>\n
A k\u00f6z\u00f6s \u0151s molekul\u00e1ris id\u0151pontmeghat\u00e1roz\u00e1sa gyakran rokon\u00e9rtelm\u0171 a betegs\u00e9g legkor\u00e1bbi azonos\u00edtott megjelen\u00e9s\u00e9vel, \u00e1m ut\u00f3bbi „elk\u00e9pzelhet\u0151, hogy id\u0151ben megel\u0151zheti a k\u00f6z\u00f6s \u0151st – ennek a j\u00e1rv\u00e1nynak az els\u0151 esete napokkal, hetekkel, s\u0151t t\u00f6bb h\u00f3nappal kor\u00e1bban megjelenhetett a k\u00f6z\u00f6s \u0151s felt\u00e9telezett id\u0151pontja el\u0151tt” – magyar\u00e1zta Michael Worobey professzor, a tanulm\u00e1ny t\u00e1rsszerz\u0151je.<\/p>\n
Wertheim megjegyezte, hogy b\u00e1r az \u00faj koronav\u00edrus 2019 \u0151sz\u00e9n terjed\u0151ben volt K\u00edn\u00e1ban, a kutat\u00f3k modellje azt mutatja, hogy decemberig ez alacsony szint\u0171 volt. A kutat\u00f3 megk\u00e9rd\u0151jelezte azokat a kor\u00e1bbi \u00e1ll\u00edt\u00e1sokat, hogy a Covid-19 abban az id\u0151szakban K\u00edn\u00e1n k\u00edv\u00fcl is terjedt volna.<\/p>","protected":false},"excerpt":{"rendered":"
Amerikai kutat\u00f3k szerint m\u00e1r a vuhani megjelen\u00e9se el\u0151tt h\u00f3napokig \u00e9szrev\u00e9tlen\u00fcl terjedhetett az \u00faj t\u00edpus\u00fa koronav\u00edrus-fert\u0151z\u00e9s. A Science tudom\u00e1nyos foly\u00f3iratban megjelent tanulm\u00e1nyukban a szerz\u0151k kifejtik, a k\u00ednai lez\u00e1r\u00e1sok \u00e9letbe l\u00e9p\u00e9sekor m\u00e1r t\u00f6bb mint 100 orsz\u00e1gban jelent meg a fert\u0151z\u00e9s.<\/p>","protected":false},"author":8,"featured_media":0,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_seopress_robots_primary_cat":"","_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[1],"cikk_cimkek":[104],"content_flags":[],"content_icons":[],"class_list":["post-13185","post","type-post","status-publish","format-standard","hentry","category-erdmost","cikk_cimkek-koronavirus"],"acf":[],"_links":{"self":[{"href":"https:\/\/erdmost.hu\/en\/wp-json\/wp\/v2\/posts\/13185","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/erdmost.hu\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/erdmost.hu\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/erdmost.hu\/en\/wp-json\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"https:\/\/erdmost.hu\/en\/wp-json\/wp\/v2\/comments?post=13185"}],"version-history":[{"count":0,"href":"https:\/\/erdmost.hu\/en\/wp-json\/wp\/v2\/posts\/13185\/revisions"}],"wp:attachment":[{"href":"https:\/\/erdmost.hu\/en\/wp-json\/wp\/v2\/media?parent=13185"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/erdmost.hu\/en\/wp-json\/wp\/v2\/categories?post=13185"},{"taxonomy":"cikk_cimkek","embeddable":true,"href":"https:\/\/erdmost.hu\/en\/wp-json\/wp\/v2\/cikk_cimkek?post=13185"},{"taxonomy":"content_flags","embeddable":true,"href":"https:\/\/erdmost.hu\/en\/wp-json\/wp\/v2\/content_flags?post=13185"},{"taxonomy":"content_icons","embeddable":true,"href":"https:\/\/erdmost.hu\/en\/wp-json\/wp\/v2\/content_icons?post=13185"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}