{"id":26682,"date":"2021-11-18T08:20:00","date_gmt":"2021-11-18T08:20:00","guid":{"rendered":"https:\/\/haberglobal.com.tr\/saglik\/varyant-daha-yavas-da-olsa-bitmedi-144293"},"modified":"2021-11-18T08:20:00","modified_gmt":"2021-11-18T08:20:00","slug":"neden-daha-az-varyant-duymaya-basladik-bitmedi-hizi-kesildi","status":"publish","type":"post","link":"https:\/\/istanbulchannel.net\/index.php\/2021\/11\/18\/neden-daha-az-varyant-duymaya-basladik-bitmedi-hizi-kesildi\/","title":{"rendered":"Neden daha az varyant duymaya ba\u015flad\u0131k? &#8216;Bitmedi h\u0131z\u0131 kesildi&#8217;"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/istanbulchannel.net\/wp-content\/uploads\/2021\/11\/neden-daha-az-varyant-duymaya-basladik-bitmedi-hizi-kesildi.jpg\"> <\/p>\n<p>Koronavir\u00fcs Mart 2020\u2019den bu yana yo\u011fun bir \u015fekilde hayat\u0131m\u0131zda. Vir\u00fcsle ilgili olarak bahsedilmeyen ne kald\u0131 bilmiyoruz. A\u015f\u0131lar etkili mi? Vir\u00fcs eskisi kadar \u00f6ld\u00fcr\u00fcc\u00fc de\u011fil mi? Hava \u0131s\u0131nd\u0131\u011f\u0131 zaman vir\u00fcs kaybolacak m\u0131? O kadar \u00e7ok \u015feyden bahsettik ki art\u0131k koronavir\u00fcs\u00fc konu\u015fmaktan biraz da yorulduk. Hatta Bakan Fahrettin Koca d\u00fcn halk\u0131n tedbirlerden de biraz yoruldu\u011fundan dem vurarak \u2018tedbir yorgunlu\u011fu\u2019 ifadelerini kulland\u0131.<\/p>\n<p>Ge\u00e7en sene bu zamanlarda \u0130ngiltere\u2019de \u00e7\u0131kan varyant ortal\u0131\u011f\u0131 kas\u0131p kavurdu, bunu s\u0131ras\u0131yla G\u00fcney Afrika, Hindistan, Kolombiya gibi \u00e7e\u015fitli varyant t\u00fcrleri izledi. T\u00fcrkiye\u2019de en son biraz da korkarak Kolombiya varyant\u0131n\u0131 konu\u015ftuk. (D\u00fcnya Sa\u011fl\u0131k \u00d6rg\u00fct\u00fc daha sonra bu varyantlara Yunan alfabesinden isimler verdi)<\/p>\n<p>Uzun bir s\u00fcredir yeni varyantlara ili\u015fkin geli\u015fmeler kula\u011f\u0131m\u0131za gelmiyor. Peki varyantlar bitti mi? Cevap: Hay\u0131r. Varyantlar bitmedi ama uzmanlar vir\u00fcs\u00fcn mutasyona u\u011frama h\u0131z\u0131n\u0131n azalm\u0131\u015f olabilece\u011fini konu\u015fuyor.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/istanbulchannel.net\/wp-content\/uploads\/2021\/11\/neden-daha-az-varyant-duymaya-basladik-bitmedi-hizi-kesildi.webp\" alt width=\"1000\" height=\"1001\"><\/p>\n<p>Fred Hutchinson Ara\u015ft\u0131rma Merkezi\u2019nde do\u00e7ent olarak g\u00f6rev yapan Trevor Bedford vir\u00fcs\u00fcn evrimle\u015fmek i\u00e7in art\u0131k duvara \u00e7arpt\u0131\u011f\u0131n\u0131 s\u00f6yl\u00fcyor. Olduk\u00e7a bula\u015f\u0131c\u0131 olan Delta varyant\u0131n\u0131n \u015fu an ba\u015fkala\u015ft\u0131\u011f\u0131, ondan \u00e7\u0131kan yeni mutasyon AY.4.2\u2019nin ise daha tehlikeli olmad\u0131\u011f\u0131 yorumlar\u0131 yap\u0131l\u0131yor.<\/p>\n<p>2020 y\u0131l\u0131n\u0131n ekim ay\u0131nda Hindistan\u2019da ilk kez tespit edilen Delta varyant\u0131 dokuz ay i\u00e7erisinde d\u00fcnyadaki en bask\u0131n vir\u00fcs tipi olmu\u015ftu. Bunun sebebi ise Delta\u2019n\u0131n olduk\u00e7a h\u0131zl\u0131 bula\u015fmas\u0131.<\/p>\n<h3><strong>\u0130NG\u0130LTERE MUTASYON YUVASI MI?<\/strong><\/h3>\n<p>AY.4.2 uzmanlar taraf\u0131ndan \u00e7ok yak\u0131ndan izleniyor. \u015eu ana kadar 39 \u00fclkede g\u00f6r\u00fcld\u00fc fakat vir\u00fcs\u00fcn y\u00fczde 94\u2019\u00fc \u0130ngiltere\u2019de. Dr. Jeremy Barrett mutasyonlar\u0131n neden \u0130ngiltere\u2019de d\u00fcnyan\u0131n di\u011fer noktalar\u0131ndan daha \u00e7ok g\u00f6r\u00fcld\u00fc\u011f\u00fcn\u00fc merak ediyor.<\/p>\n<p>Pop\u00fclasyonun durumu sebebiyle mi \u00fclkenin \u00e7ok g\u00f6\u00e7 almas\u0131yla m\u0131 bilinmez \u0130ngiltere tam bir mutasyon yuvas\u0131. 23 Ekim\u2019de \u00fclkedeki vakalar\u0131n y\u00fczde 11\u2019i Delta varyant\u0131 iken bu oran 6 Kas\u0131m itibar\u0131yla y\u00fczde 15\u2019e \u00e7\u0131km\u0131\u015f. 1918 y\u0131l\u0131nda \u0130spanyol gribi d\u00fcnyay\u0131 k\u0131r\u0131p ge\u00e7erken vir\u00fcslerin b\u00f6yle mutasyona u\u011frayabilece\u011fi bilimsel olarak kan\u0131tlanmam\u0131\u015ft\u0131.<\/p>\n<h3><strong>B\u0130RAZ DA ARA\u015eTIRMA \u0130\u015e\u0130<\/strong><\/h3>\n<p>\u00d6te yandan bir vir\u00fcs\u00fcn farkl\u0131 varyanta yol a\u00e7\u0131p a\u00e7mad\u0131\u011f\u0131n\u0131 tespit etmek de ciddi bir inceleme i\u015fi. Belki de d\u00fcnyan\u0131n farkl\u0131 noktalar\u0131nda yeni varyantlar var ama bu varyantlar t\u0131bbi ara\u015ft\u0131rmalar\u0131n ileri seviyede oldu\u011fu \u00fclkelere u\u011framadan veya oralarda \u00e7\u0131kmadan adlar\u0131 konmuyor.<\/p>\n<p>\u00d6rne\u011fin Amerika Birle\u015fik Devletleri\u2019nde 40.5 milyon vakan\u0131n y\u00fczde 2.3\u2019\u00fcndeki vir\u00fcs\u00fcn genom s\u0131ralamas\u0131 biliniyor. Bu sebepten eldeki datan\u0131n \u00e7oklu\u011fu varyantlar\u0131 anlamak veya yeni varyantlar\u0131 ke\u015ffetmek anlam\u0131nda \u00f6nemli.<\/p>\n<p>Pittsburgh \u00dcniversitesi\u2019nde mikrop evrimi \u00fczerine \u00e7al\u0131\u015fan Vaughn S. Cooper, \u201cGelecek varyant kesinlikle Delta varyant\u0131n\u0131n karde\u015fi olacak\u201d a\u00e7\u0131klamas\u0131nda bulunuyor.<\/p>\n<h3><strong>T\u00dcRK B\u0130L\u0130M \u0130NSANLARI NE D\u0130YOR?<\/strong><\/h3>\n<p>Ge\u00e7en aylarda Haberglobal.com.tr\u2019nin sorular\u0131n\u0131 yan\u0131tlayan T\u00fcrkiye Enfeksiyon Hastal\u0131klar\u0131 ve Klinik Mikrobiyoloji Uzmanl\u0131k Derne\u011fi (EKMUD) Eri\u015fkin Ba\u011f\u0131\u015f\u0131klama \u00c7al\u0131\u015fma Grubu Ba\u015fkan\u0131 Prof. Dr. \u0130ftihar K\u00f6ksal, \u201cVir\u00fcs s\u00fcrd\u00fck\u00e7e yeni mutasyonlar meydana gelecektir. D\u00fcnyan\u0131n bir\u00e7ok yerinde hala vir\u00fcse kar\u015f\u0131 kontrol sa\u011flanmad\u0131\u201d derken \u0130stanbul \u00dcniversitesi, \u0130stanbul T\u0131p Fak\u00fcltesi Enfeksiyon Hastal\u0131klar\u0131 ve Klinik Mikrobiyoloji Anabilim Dal\u0131 Ba\u015fkan\u0131 Prof. Dr. Haluk Eraksoy, \u201c\u0130nsanlar aras\u0131nda vir\u00fcs\u00fcn bar\u0131nmas\u0131na, insandan insana ge\u00e7mesine engel olacak bir d\u00fczeyde ba\u011f\u0131\u015f\u0131k k\u0131labilirsek o zaman mutasyon bir bi\u00e7imde sona erer\u201d ifadelerini kullanm\u0131\u015ft\u0131.<\/p>\n<p>Virolog Semih Tareen ge\u00e7mi\u015f aylarda Haberglobal.com.tr&#8217;ye yapt\u0131\u011f\u0131 a\u00e7\u0131klamada d\u00fcnya \u00e7ap\u0131nda 30 bine yak\u0131n varyant oldu\u011funu s\u00f6ylemi\u015fti.&nbsp;<\/p>\n<p>Bilim Kurulu \u00dcyesi Dr. Hasan Tezer, ge\u00e7en \u015fubat ay\u0131nda TRT&#8217;ye yapt\u0131\u011f\u0131 a\u00e7\u0131klamada T\u00fcrkiye\u2019ye has mutasyonlar\u0131n oldu\u011funu ancak bu varyantlar\u0131n nas\u0131l etki edeceklerini hen\u00fcz bilmediklerini ifade etmi\u015fti.<\/p>\n<figure class=\"ratio ratio-16x9\"><iframe loading=\"lazy\" title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/bxYpbTLfzIY\" width=\"560\" height=\"315\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\">[embedded content]<\/iframe><\/figure>\n<p class=\"news-source\">Kaynak: Web \u00d6zel<\/p>\n","protected":false},"excerpt":{"rendered":"<p> Belki bir s\u00fcredir varyantlar toplumun g\u00fcndemine gelmiyor. Peki bittiler mi? Cevap: Hay\u0131r. Varyantlar bitmedi ama olu\u015fmalar\u0131 i\u00e7in gereken s\u00fcre uzad\u0131&#8230;.<\/p>\n","protected":false},"author":2,"featured_media":26683,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[13],"tags":[],"class_list":["post-26682","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-saglik"],"_links":{"self":[{"href":"https:\/\/istanbulchannel.net\/index.php\/wp-json\/wp\/v2\/posts\/26682","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/istanbulchannel.net\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/istanbulchannel.net\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/istanbulchannel.net\/index.php\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/istanbulchannel.net\/index.php\/wp-json\/wp\/v2\/comments?post=26682"}],"version-history":[{"count":0,"href":"https:\/\/istanbulchannel.net\/index.php\/wp-json\/wp\/v2\/posts\/26682\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/istanbulchannel.net\/index.php\/wp-json\/wp\/v2\/media\/26683"}],"wp:attachment":[{"href":"https:\/\/istanbulchannel.net\/index.php\/wp-json\/wp\/v2\/media?parent=26682"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/istanbulchannel.net\/index.php\/wp-json\/wp\/v2\/categories?post=26682"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/istanbulchannel.net\/index.php\/wp-json\/wp\/v2\/tags?post=26682"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}