{"id":95294,"date":"2020-03-18T13:23:46","date_gmt":"2020-03-18T12:23:46","guid":{"rendered":"http:\/\/semmelweis.hu\/hirek\/?p=95294"},"modified":"2020-11-30T08:38:55","modified_gmt":"2020-11-30T07:38:55","slug":"egyes-feluleteken-tobb-napig-is-fertozokepes-marad-az-uj-koronavirus","status":"publish","type":"post","link":"https:\/\/semmelweis.hu\/hirek\/2020\/03\/18\/egyes-feluleteken-tobb-napig-is-fertozokepes-marad-az-uj-koronavirus\/","title":{"rendered":"Egyes fel\u00fcleteken t\u00f6bb napig is fert\u0151z\u0151k\u00e9pes marad az \u00faj koronav\u00edrus"},"content":{"rendered":"<div class=\"lead\">A legfrissebb kutat\u00e1si adatok szerint egyes fel\u00fcleteken ak\u00e1r 72 \u00f3r\u00e1n kereszt\u00fcl is fert\u0151z\u0151k\u00e9pes marad az \u00faj koronav\u00edrus. A New England Journal of Medicine-ben k\u00f6z\u00f6lt adatok szerint r\u00e9zen ak\u00e1r n\u00e9gy \u00f3r\u00e1ig, kartonpap\u00edron 24 \u00f3r\u00e1ig, m\u0171anyagon \u00e9s rozsdamentes ac\u00e9lon pedig 72 \u00f3r\u00e1ig is \u00e9letben marad a koronav\u00edrus, ami a leveg\u0151ben sz\u00e1ll\u00f3 r\u00e9szecsk\u00e9kre tapadva t\u00f6bb \u00f3r\u00e1n \u00e1t \u00e9letk\u00e9pes. \u00c9ppen ez\u00e9rt k\u00fcl\u00f6n\u00f6sen fontos, hogy mindenki a szok\u00e1sosn\u00e1l is nagyobb hangs\u00falyt fektessen a rendszeres k\u00e9zmos\u00e1sra, ami Semmelweis Ign\u00e1c felfedez\u00e9se \u00f3ta a legjobb ismert m\u00f3dszer a betegs\u00e9gek elker\u00fcl\u00e9s\u00e9re. Ezen k\u00edv\u00fcl a k\u00fcl\u00f6nb\u00f6z\u0151 fel\u00fcletek gyakori fert\u0151tlen\u00edt\u00e9se is kiemelt jelent\u0151s\u00e9g\u0171, k\u00fcl\u00f6n\u00f6sen a k\u00f3rh\u00e1zakban \u00e9s a k\u00f6z\u00f6ss\u00e9gi terekben.<\/div>\n<p>A SARS-CoV-2 (angolul: severe acute respiratory syndrome coronavirus 2) egy \u00fajfajta hum\u00e1n koronav\u00edrus, amely 2019-ben a k\u00ednai Wuhanban t\u0171nt fel el\u0151sz\u00f6r, m\u00e1ra pedig m\u00e1r vil\u00e1gj\u00e1rv\u00e1nyt okozott.<\/p>\n<p>Egy, a New England Journal of Medicine-ben nemr\u00e9g megjelent amerikai kutat\u00e1s sor\u00e1n a k\u00f6h\u00f6g\u00e9ssel, illetve t\u00fcsszent\u00e9ssel a leveg\u0151be ker\u00fcl\u0151 aeroszolokban, valamint a k\u00fcl\u00f6nb\u00f6z\u0151 fel\u00fcleteken vizsg\u00e1lt\u00e1k a SARS-CoV-2 stabilit\u00e1s\u00e1t \u00e9s hasonl\u00edtott\u00e1k azt \u00f6ssze a vele legk\u00f6zelebbi rokons\u00e1gban \u00e1ll\u00f3 SARS-CoV-1 stabilit\u00e1s\u00e1val.<\/p>\n<p>A kutat\u00e1s sor\u00e1n a k\u00e9t v\u00edrust 5 k\u00fcl\u00f6nb\u00f6z\u0151 k\u00f6rnyezetben vizsg\u00e1lt\u00e1k: aeroszolban, m\u0171anyagon, rozsdamentes ac\u00e9lon, r\u00e9zen \u00e9s kartonpap\u00edron. Az elemz\u00e9seket 21-23 <sup>o<\/sup>C-os h\u0151m\u00e9rs\u00e9kleten, aeroszolok eset\u00e9n 65 sz\u00e1zal\u00e9kos, a k\u00fcl\u00f6nb\u00f6z\u0151 fel\u00fcletek eset\u00e9n pedig 40 sz\u00e1zal\u00e9kos relat\u00edv p\u00e1ratartalom mellett v\u00e9gezt\u00e9k.<\/p>\n<p>A SARS-CoV-2 aeroszol form\u00e1j\u00e1ban a k\u00eds\u00e9rlet 3 \u00f3r\u00e1s id\u0151tartama alatt \u00e9letk\u00e9pes maradt, mialatt a v\u00edrus titer 10<sup>3,5<\/sup>-r\u0151l 10<sup>2,7 <\/sup>TCID<sub>50<\/sub>\/liter leveg\u0151re cs\u00f6kkent. Ez a cs\u00f6kken\u00e9s hasonl\u00f3 volt a SARS-CoV-1 eset\u00e9ben megfigyelhet\u0151 redukci\u00f3hoz (10<sup>4,3<\/sup>-r\u00f3l 10<sup>3,5 <\/sup>TCID<sub>50<\/sub>\/liter leveg\u0151re). (L\u00e1sd: A \u00e1bra)<\/p>\n<p><a href=\"https:\/\/semmelweis.hu\/hirek\/files\/2020\/03\/SARS-CoV-2-\u00e9letk\u00e9pess\u00e9ge.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-95295\" src=\"https:\/\/semmelweis.hu\/hirek\/files\/2020\/03\/SARS-CoV-2-\u00e9letk\u00e9pess\u00e9ge.jpg\" alt=\"\" width=\"964\" height=\"709\" srcset=\"https:\/\/semmelweis.hu\/hirek\/files\/2020\/03\/SARS-CoV-2-\u00e9letk\u00e9pess\u00e9ge.jpg 964w, https:\/\/semmelweis.hu\/hirek\/files\/2020\/03\/SARS-CoV-2-\u00e9letk\u00e9pess\u00e9ge-400x294.jpg 400w, https:\/\/semmelweis.hu\/hirek\/files\/2020\/03\/SARS-CoV-2-\u00e9letk\u00e9pess\u00e9ge-900x662.jpg 900w, https:\/\/semmelweis.hu\/hirek\/files\/2020\/03\/SARS-CoV-2-\u00e9letk\u00e9pess\u00e9ge-768x565.jpg 768w, https:\/\/semmelweis.hu\/hirek\/files\/2020\/03\/SARS-CoV-2-\u00e9letk\u00e9pess\u00e9ge-753x554.jpg 753w\" sizes=\"auto, (max-width: 964px) 100vw, 964px\" \/><\/a>A SARS-CoV-2 stabilabb volt m\u0171anyagon \u00e9s rozsdamentes ac\u00e9lon, mint r\u00e9zen \u00e9s kartonpap\u00edron. A fel\u00fcletre juttat\u00e1st k\u00f6vet\u0151en m\u0171anyagon 72 \u00f3r\u00e1ig, m\u00edg rozsdamentes ac\u00e9lon 48 \u00f3r\u00e1ig is \u00e9letk\u00e9pes maradt, hab\u00e1r a v\u00edrus titer jelent\u0151sen cs\u00f6kkent ez id\u0151 alatt (m\u0171anyagon 10<sup>3,7<\/sup>-r\u0151l 10<sup>0,6 <\/sup>TCID<sub>50<\/sub>\/milliliter k\u00f6zegre 72 \u00f3ra ut\u00e1n, rozsdamentes ac\u00e9lon 10<sup>3,7<\/sup>-r\u0151l 10<sup>0,6 <\/sup>TCID<sub>50<\/sub>\/ milliliter k\u00f6zegre 48 \u00f3ra ut\u00e1n) (L\u00e1sd: A \u00e1bra). A SARS-CoV-1 stabilit\u00e1si kinetik\u00e1ja hasonl\u00f3 volt: a v\u00edrus titer m\u0171anyagon 72 \u00f3ra alatt 10<sup>3,4<\/sup>-r\u0151l 10<sup>0,7 <\/sup>TCID<sub>50<\/sub>\/ milliliter k\u00f6zegre, m\u00edg rozsdamentes ac\u00e9lon 48 \u00f3ra alatt 10<sup>3,6<\/sup>-r\u00f3l 10<sup>0,6 <\/sup>TCID<sub>50<\/sub>\/ milliliter k\u00f6zegre cs\u00f6kkent (L\u00e1sd: A \u00e1bra).<\/p>\n<p>R\u00e9zen a SARS-CoV-2 4 \u00f3r\u00e1ig, m\u00edg a SARS-CoV1 8 \u00f3r\u00e1ig maradt \u00e9letk\u00e9pes, kartonpap\u00edron vizsg\u00e1lva a SARS-CoV-2 24 \u00f3r\u00e1n, a SARS-CoV-1 pedig 8 \u00f3r\u00e1n t\u00fal m\u00e1r nem volt kimutathat\u00f3 (L\u00e1sd: A \u00e1bra).<\/p>\n<p>Mindk\u00e9t v\u00edrus titere exponenci\u00e1lisan cs\u00f6kkent a k\u00eds\u00e9rleti k\u00f6r\u00fclm\u00e9nyek k\u00f6z\u00f6tt (L\u00e1sd: B \u00e1bra). A SARS-CoV-2 \u00e9s a SARS-CoV-1 f\u00e9l\u00e9letideje aeroszol form\u00e1j\u00e1ban \u00e9s r\u00e9zen is hasonl\u00f3 volt, kartonpap\u00edron azonban a SARS-CoV-2 f\u00e9l\u00e9letideje hosszabbnak bizonyult. Legtov\u00e1bb mindk\u00e9t v\u00edrus rozsdamentes ac\u00e9lon \u00e9s m\u0171anyagon maradt \u00e9letk\u00e9pes, a SARS-CoV-2 sz\u00e1m\u00edtott medi\u00e1n f\u00e9l\u00e9letideje rozsdamentes ac\u00e9l eset\u00e9n 5,6 \u00f3ra, m\u00edg m\u0171anyagon 6,8 \u00f3ra volt (L\u00e1sd: C \u00e1bra).<\/p>\n<p>K\u00eds\u00e9rleti k\u00f6r\u00fclm\u00e9nyek k\u00f6z\u00f6tt a SARS-CoV-2 \u00e9s a SARS-CoV-1 stabilit\u00e1sa hasonl\u00f3nak bizonyult, ami azt sugallja, hogy a k\u00e9t v\u00edrus epidemiol\u00f3giai jellegzetess\u00e9geiben fellelhet\u0151 k\u00fcl\u00f6nbs\u00e9gek, val\u00f3sz\u00edn\u0171leg egy\u00e9b faktorokb\u00f3l erednek, mint p\u00e9ld\u00e1ul a SARS-CoV-2 eset\u00e9n megfigyelhet\u0151 t\u00fcnetmentes fert\u0151z\u00e9s.<\/p>\n<p>Ezen vizsg\u00e1lat eredm\u00e9nyei alapj\u00e1n fontos m\u00e9g nagyobb hangs\u00falyt fektetni a rendszeres k\u00e9zmos\u00e1s, illetve k\u00e9zfert\u0151tlen\u00edt\u00e9s mellett a k\u00fcl\u00f6nb\u00f6z\u0151 fel\u00fcletek fert\u0151tlen\u00edt\u00e9s\u00e9re is, k\u00fcl\u00f6n\u00f6sk\u00e9ppen a k\u00f3rh\u00e1zakban, illetve egy\u00e9b k\u00f6z\u00f6ss\u00e9gi terekben.<\/p>\n<p><iframe loading=\"lazy\" src=\"https:\/\/www.youtube.com\/embed\/uX4NTG8KEvo\" width=\"560\" height=\"315\"><\/iframe><\/p>\n<p>Dr. Behon Anett <br \/>\nPhD-hallgat\u00f3<\/p>\n","protected":false},"excerpt":{"rendered":"<p>R\u00e9zen ak\u00e1r n\u00e9gy \u00f3r\u00e1ig, kartonpap\u00edron 24 \u00f3r\u00e1ig, m\u0171anyagon \u00e9s rozsdamentes ac\u00e9lon pedig 72 \u00f3r\u00e1ig \u00e9letben marad.<\/p>\n","protected":false},"author":101132,"featured_media":95298,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[154,168],"tags":[4179,2408,4257,4260],"class_list":["post-95294","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-egeszseg","category-kiemelt","tag-alhonlapokra","tag-mki-alairas","tag-koronavirus","tag-koronavirus-betegellatas"],"acf":[],"_links":{"self":[{"href":"https:\/\/semmelweis.hu\/hirek\/wp-json\/wp\/v2\/posts\/95294","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/semmelweis.hu\/hirek\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/semmelweis.hu\/hirek\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/semmelweis.hu\/hirek\/wp-json\/wp\/v2\/users\/101132"}],"replies":[{"embeddable":true,"href":"https:\/\/semmelweis.hu\/hirek\/wp-json\/wp\/v2\/comments?post=95294"}],"version-history":[{"count":7,"href":"https:\/\/semmelweis.hu\/hirek\/wp-json\/wp\/v2\/posts\/95294\/revisions"}],"predecessor-version":[{"id":100551,"href":"https:\/\/semmelweis.hu\/hirek\/wp-json\/wp\/v2\/posts\/95294\/revisions\/100551"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/semmelweis.hu\/hirek\/wp-json\/wp\/v2\/media\/95298"}],"wp:attachment":[{"href":"https:\/\/semmelweis.hu\/hirek\/wp-json\/wp\/v2\/media?parent=95294"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/semmelweis.hu\/hirek\/wp-json\/wp\/v2\/categories?post=95294"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/semmelweis.hu\/hirek\/wp-json\/wp\/v2\/tags?post=95294"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}