{"id":442921,"date":"2021-01-19T11:06:11","date_gmt":"2021-01-19T10:06:11","guid":{"rendered":"https:\/\/hudo.com\/si\/2021\/01\/19\/cepivo-ucinkovito-tudi-proti-mutiranemu-virusu-covida-19\/"},"modified":"2021-01-19T11:06:11","modified_gmt":"2021-01-19T10:06:11","slug":"cepivo-ucinkovito-tudi-proti-mutiranemu-virusu-covida-19","status":"publish","type":"post","link":"https:\/\/hudo.com\/si\/zdrav-duh-telo\/cepivo-ucinkovito-tudi-proti-mutiranemu-virusu-covida-19\/","title":{"rendered":"Cepivo u\u010dinkovito tudi proti mutiranemu virusu covida-19"},"content":{"rendered":"<figure>\n\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"660\" height=\"320\" src=\"image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" class=\"lazyload\" data-src=\"https:\/\/moski.hudo.com\/wp-content\/uploads\/2021\/01\/profimedia-0502953854-320x155.jpg\" data-srcset=\"https:\/\/moski.hudo.com\/wp-content\/uploads\/2021\/01\/profimedia-0502953854-660x320.jpg 660w,https:\/\/moski.hudo.com\/wp-content\/uploads\/2021\/01\/profimedia-0502953854-320x155.jpg 330w\" \/><figcaption>Posnetek virusa covid-19 \/ Profimedia<\/figcaption><\/figure>\n<p>Novi koronavirus se ves \u010das spreminja, strokovnjaki poro\u010dajo o britanskem, \u0161kotskem in nigerijskem sevu. Zna\u010dilnost za te nove mutacije je hitrej\u0161e \u0161irjenje virusa oziroma njegova ve\u010dja ku\u017enost. Ko virus vstopi v na\u0161a dihala, se bolj trdno oz. bolj uspe\u0161no ve\u017ee in vstopi v celico. Ugotovili so, da se je reprodukcijsko \u0161tevilo &#8211; to ka\u017ee, na koliko ljudi en oku\u017eeni prenese oku\u017ebo &#8211; pri novem sevu pove\u010dalo za pribli\u017eno 0,4. To pomeni, da \u010de je prej en \u010dlovek oku\u017eil 1,1 \u010dloveka, zdaj oku\u017ei 1,5 \u010dloveka, navajajo na Nacionalnem laboratoriju za zdravje, okolje in hrano (NLZOH).<\/p>\n<h2>Problem je ve\u010dja nalezljivost mutiranega virusa<\/h2>\n<p>Nevarnost novega seva torej ni v te\u017ejem poteku bolezni, ampak v ve\u010djem \u0161tevilu ljudi, ki bodo potrebovali zdravni\u0161ko pomo\u010d in v kratkem \u010dasu \u0161e bolj obremenili zdravstveni sistem.<\/p>\n<p>Pri virusih sestavljajo ovojnico proteini, novi koronavirus ima t. i. protein S, ki je v obliki bodic. Na\u0161a protitelesa se obrnejo proti obliki tega proteina. Na\u0161 imunski sistem ustvari protitelesa, ki so tak\u0161ne oblike, da se kot klju\u010d na klju\u010davnico prilegajo temu proteinu. Oblika, na katero morajo protitelesa delovati, je kljub mutacijam ostala enaka. Zaradi tega je imunski odgovor na novo ali staro razli\u010dico virusa enak, dodajajo.<\/p>\n<p>To dokazujejo tudi primeri iz Anglije, kjer niso opazili ponovnih oku\u017eb z novim sevom pri ljudeh, ki so \u017ee bili oku\u017eeni s starim virusom. Protitelesa, spro\u017eena ob prvi oku\u017ebi, tako varujejo tudi pred novim sevom. To je dobra novica tudi za cepivo, ki bo u\u010dinkovito proti novemu sevu, poudarjajo na NLZOH.<\/p>\n<h2>Kako deluje cepivo<\/h2>\n<p>Cepivo proti covidu-19 &#8211; doslej sta bili v EU potrjeni dve cepivi, pri obeh gre za mRNK cepivi &#8211; deluje tako, da del\u010dek RNK virusa vbrizgajo v mi\u0161ico, s \u010dimer pride virusna genska informacija za protein S v na\u0161e lastne celice. Te za\u010dnejo izdelovati del\u010dke virusa, ki jih imunski sistem opazi in za\u010dne izdelovati imunski odziv proti virusu.<\/p>\n<p>Tudi vodja odseka za sintezno biologijo in imunologijo na Kemijskem in\u0161titutu Roman Jerala je na nedavni okrogli mizi STA dejal, je zelo verjetno, da bodo cepiva proti covidu-19 \u0161\u010ditila tudi pred novimi sevi, ki so do zdaj znani. A ve\u010dji kot je obseg epidemije, ve\u010dje \u0161tevilo gostiteljev ima in ve\u010dje so mo\u017enosti, da se ustvarijo ter raz\u0161irijo novi sevi.<\/p>\n<p>Tako ni nemogo\u010de, da bi nastal tudi sev, proti kateremu cepivo ne bo tako u\u010dinkovito, saj bo imel preve\u010d mutacij. Tak\u0161en sev so znanstveniki v laboratoriju \u017ee ustvarili. &#8220;\u010ce se \u0161tevilo mutacij nakopi\u010di, bodo morda cepiva slab\u0161e delovala. Ni pa nujno, da bo do tega pri\u0161lo, ker se lahko virus spremeni le do tak\u0161ne mere, da je \u0161e vedno funkcionalen. Ravno ta del virusa, s katerim se ve\u017ee na celice, je tar\u010da za nevtralizacijska protitelesa,&#8221; je \u0161e pojasnil.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Novi sevi novega koronavirusa virusa, ki veljajo za bolj ku\u017ene, \u0161e niso bili potrjeni v Sloveniji, \u010deprav je verjetno le vpra\u0161anje \u010dasa, kdaj bodo pri\u0161li tudi k nam. Na NLZOH navajajo, da je oblika virusa, na katero morajo protitelesa delovati, kljub mutacijam ostala enaka, kar pomeni, da je cepivo u\u010dinkovito tudi proti novemu sevu.<\/p>\n","protected":false},"author":1,"featured_media":442922,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[5060,15632,1645],"source":[1549,1518],"supertag":[],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Cepivo u\u010dinkovito tudi proti mutiranemu virusu covida-19 - Hudo Slovenija<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/hudo.com\/si\/zdrav-duh-telo\/cepivo-ucinkovito-tudi-proti-mutiranemu-virusu-covida-19\/\" \/>\n<meta property=\"og:locale\" content=\"sl_SI\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Cepivo u\u010dinkovito tudi proti mutiranemu virusu covida-19 - Hudo Slovenija\" \/>\n<meta property=\"og:description\" content=\"Novi sevi novega koronavirusa virusa, ki veljajo za bolj ku\u017ene, \u0161e niso bili potrjeni v Sloveniji, \u010deprav je verjetno le vpra\u0161anje \u010dasa, kdaj bodo pri\u0161li tudi k nam. Na NLZOH navajajo, da je oblika virusa, na katero morajo protitelesa delovati, kljub mutacijam ostala enaka, kar pomeni, da je cepivo u\u010dinkovito tudi proti novemu sevu.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/hudo.com\/si\/zdrav-duh-telo\/cepivo-ucinkovito-tudi-proti-mutiranemu-virusu-covida-19\/\" \/>\n<meta property=\"og:site_name\" content=\"Hudo Slovenija\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/hudo.si\" \/>\n<meta property=\"article:published_time\" content=\"2021-01-19T10:06:11+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/hudo.com\/si\/wp-content\/uploads\/sites\/2\/2021\/01\/profimedia-0502953854.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1250\" \/>\n\t<meta property=\"og:image:height\" content=\"1250\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"hudo\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@hudo_si\" \/>\n<meta name=\"twitter:site\" content=\"@hudo_si\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"hudo\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minuti\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/hudo.com\/si\/zdrav-duh-telo\/cepivo-ucinkovito-tudi-proti-mutiranemu-virusu-covida-19\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/hudo.com\/si\/zdrav-duh-telo\/cepivo-ucinkovito-tudi-proti-mutiranemu-virusu-covida-19\/\"},\"author\":{\"name\":\"hudo\",\"@id\":\"https:\/\/hudo.com\/si\/#\/schema\/person\/601cf3379633985b20f7e50f2bb47707\"},\"headline\":\"Cepivo u\u010dinkovito tudi proti mutiranemu virusu covida-19\",\"datePublished\":\"2021-01-19T10:06:11+00:00\",\"dateModified\":\"2021-01-19T10:06:11+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/hudo.com\/si\/zdrav-duh-telo\/cepivo-ucinkovito-tudi-proti-mutiranemu-virusu-covida-19\/\"},\"wordCount\":498,\"publisher\":{\"@id\":\"https:\/\/hudo.com\/si\/#organization\"},\"keywords\":[\"cepljenje\",\"koronavirus\",\"znanstvene zanimivosti\"],\"articleSection\":[\"Zdrav duh &amp; 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