{"id":188,"date":"2024-10-19T20:37:21","date_gmt":"2024-10-19T20:37:21","guid":{"rendered":"https:\/\/247stiri.ro\/index.php\/2024\/10\/19\/acum-s-a-aflat-de-ce-copiii-nu-s-au-imbolnavit-grav-de-covid-19-in-pandemie\/"},"modified":"2024-10-19T20:37:21","modified_gmt":"2024-10-19T20:37:21","slug":"acum-s-a-aflat-de-ce-copiii-nu-s-au-imbolnavit-grav-de-covid-19-in-pandemie","status":"publish","type":"post","link":"https:\/\/247stiri.ro\/index.php\/2024\/10\/19\/acum-s-a-aflat-de-ce-copiii-nu-s-au-imbolnavit-grav-de-covid-19-in-pandemie\/","title":{"rendered":"Acum s-a aflat: de ce copiii nu s-au \u00eemboln\u0103vit grav de Covid-19 \u00een pandemie"},"content":{"rendered":"<p>Ce au descoperit cercet\u0103torii<\/p>\n<p>De\u0219i copiii sub 5 ani au fost expu\u0219i la<a href=\"https:\/\/www.realitatea.net\/stiri\/actual\/pandemia-de-coronavirus-minciuna-secolului-cum-au-fost-mintiti-oamenii_6648a88259a3e979eb067c66\" target=\"_blank\" rel=\"noopener\"> SARS-CoV-2<\/a> la fel ca restul popula\u021biei, ace\u0219tia au dezvoltat rareori forme severe de boal\u0103. Cercet\u0103rile au ar\u0103tat c\u0103 peste 90% dintre copiii din SUA, cu v\u00e2rste \u00eentre 0 \u0219i 17 ani, au fost expu\u0219i virusului, \u00eens\u0103 doar un procent foarte mic a prezentat complica\u021bii grave. Acest fenomen a st\u00e2rnit interesul oamenilor de \u0219tiin\u021b\u0103, care au \u00eenceput s\u0103 investigheze cum reu\u0219esc copiii s\u0103 evite formele severe de boal\u0103.<\/p>\n<p>Echipa francez\u0103 a studiat r\u0103spunsul imun al copiilor, adul\u021bilor \u0219i pre\u0219colarilor, descoperind diferen\u021be semnificative \u00een func\u021bionarea celulelor T \u0219i B, care sunt esen\u021biale \u00een r\u0103spunsul organismului la infec\u021bii. Copiii sub 5 ani au prezentat un r\u0103spuns imun mai slab al celulelor T CD4+ antivirale comparativ cu ceilal\u021bi participan\u021bi, \u00eens\u0103 r\u0103spunsul lor de memorie al celulelor T \u0219i B a fost distinct \u0219i adaptat pentru a face fa\u021b\u0103 infec\u021biei.<\/p>\n<p>Un factor crucial identificat de cercet\u0103tori a fost faptul c\u0103 sistemul imunitar al copiilor mici este expus frecvent la diverse virusuri respiratorii, ceea ce contribuie la dezvoltarea unei imunit\u0103\u021bi mai eficiente \u00eempotriva coronavirusurilor. Spre deosebire de adul\u021bi, care prezint\u0103 un declin rapid al anticorpilor dup\u0103 infectare, la copiii mici, anticorpii \u00eempotriva SARS-CoV-2 au r\u0103mas stabili sau chiar au crescut pe o perioad\u0103 extins\u0103.<\/p>\n<p><a href=\"https:\/\/www.realitatea.net\/stiri\/actual\/pandemiile-pandesc-dupa-colt-noi-virusuri-pot-provoca-oricand-eruptii-cu-impact-global-studiu_66472159b3816263b66c2827\" target=\"_blank\" rel=\"noopener\">Rezultatele studiului,<\/a> publicate \u00een revista Science Translational Medicine, subliniaz\u0103 rolul esen\u021bial al imunit\u0103\u021bii dob\u00e2ndite \u00een protec\u021bia copiilor \u00eempotriva Covid-19.<\/p>","protected":false},"excerpt":{"rendered":"<p>Ce au descoperit cercet\u0103torii De\u0219i copiii sub 5 ani au fost expu\u0219i la SARS-CoV-2 la&hellip;<\/p>\n","protected":false},"author":0,"featured_media":189,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[],"class_list":["post-188","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-actual"],"_links":{"self":[{"href":"https:\/\/247stiri.ro\/index.php\/wp-json\/wp\/v2\/posts\/188","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/247stiri.ro\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/247stiri.ro\/index.php\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/247stiri.ro\/index.php\/wp-json\/wp\/v2\/comments?post=188"}],"version-history":[{"count":0,"href":"https:\/\/247stiri.ro\/index.php\/wp-json\/wp\/v2\/posts\/188\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/247stiri.ro\/index.php\/wp-json\/wp\/v2\/media\/189"}],"wp:attachment":[{"href":"https:\/\/247stiri.ro\/index.php\/wp-json\/wp\/v2\/media?parent=188"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/247stiri.ro\/index.php\/wp-json\/wp\/v2\/categories?post=188"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/247stiri.ro\/index.php\/wp-json\/wp\/v2\/tags?post=188"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}