{"id":36033,"date":"2023-04-17T10:41:04","date_gmt":"2023-04-17T08:41:04","guid":{"rendered":"https:\/\/ellipse.prbb.org\/?p=36033"},"modified":"2023-04-17T10:44:56","modified_gmt":"2023-04-17T08:44:56","slug":"la-contaminacio-empitjora-leficiencia-de-les-vacunes-contra-la-covid-19","status":"publish","type":"post","link":"https:\/\/ellipse.prbb.org\/ca\/la-contaminacio-empitjora-leficiencia-de-les-vacunes-contra-la-covid-19\/","title":{"rendered":"La contaminaci\u00f3 empitjora l&#8217;efici\u00e8ncia de les vacunes contra la Covid-19"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">La <a rel=\"noreferrer noopener\" href=\"https:\/\/ellipse.prbb.org\/ca\/la-pollucio-durant-lembaras-i-els-primers-anys-de-vida-canvia-el-cervell\/\" target=\"_blank\">contaminaci\u00f3 atmosf\u00e8rica s&#8217;ha relacionat amb molts efectes perjudicials per a la salut<\/a>. Per\u00f2, quins efectes t\u00e9 sobre el sistema immune?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Un <a href=\"https:\/\/www.isglobal.org\/-\/la-contaminacion-se-asocia-con-una-menor-respuesta-a-las-vacunas-covid-19\" target=\"_blank\" rel=\"noreferrer noopener\">nou estudi<\/a> dirigit per <strong>Manolis Kogevinas,<\/strong> <strong><a rel=\"noreferrer noopener\" href=\"https:\/\/ellipse.prbb.org\/ca\/cathryn-tonne-isglobal-som-davant-una-emergencia-el-canvi-climatic-esta-aqui-i-ja-esta-afectant-a-la-salut-de-milions-de-vides\/\" target=\"_blank\">Cathryn Tonne<\/a><\/strong> i altres investigadors a l&#8217;<a rel=\"noreferrer noopener\" href=\"https:\/\/www.isglobal.org\/ca\/\" target=\"_blank\">Institut de Salut Global de Barcelona (ISGlobal)<\/a> ha analitzat a quasi <strong>1000 persones<\/strong> per mostrar que, en efecte, alts nivells de contaminaci\u00f3 poden causar una reducci\u00f3 en la resposta immune indu\u00efda per les <a href=\"https:\/\/ellipse.prbb.org\/ca\/com-estan-fetes-les-vacunes-contra-la-covid-19\/\" target=\"_blank\" rel=\"noreferrer noopener\">vacunes contra la Covid-19<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Van estimar l&#8217;exposici\u00f3 dels voluntaris a contaminants &#8211; <strong>part\u00edcules fines (PM<sub>2,5<\/sub>), di\u00f2xid de nitrogen (NO<sub>2<\/sub>) i carboni negre (sutge)<\/strong> &#8211; durant els 10 anys previs i, un cop vacunats, van mesurar els seus nivells d&#8217;anticossos contra diversos ant\u00edgens del virus de la covid.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Els resultat van mostrar que <a href=\"https:\/\/ellipse.prbb.org\/ca\/diguem-on-vius-i-et-dire-com-es-laire-que-respires\/\" target=\"_blank\" rel=\"noreferrer noopener\">viure en un <strong>lloc contaminat <\/strong><\/a><strong>durant 10 anys<\/strong>, fa que la <strong>resposta immune sigui m\u00e9s lenta i pitjor<\/strong>, amb una reducci\u00f3 d&#8217;entre un 5-10% del nivell d&#8217;anticossos generats. La ra\u00f3? Segons els autors i autores, la <strong>inflamaci\u00f3 cr\u00f2nica causada per la contaminaci\u00f3 <\/strong>podria estar jugant un paper rellevant.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Cal destacar que no es va trobar aquest vincle en el cas de persones que havien patit la malaltia abans de ser vacunades. Segurament, aix\u00f2 es deu al fet que <a rel=\"noreferrer noopener\" href=\"https:\/\/ellipse.prbb.org\/ca\/els-anticossos-contra-el-sars-cov-2-es-mantenen-fins-a-set-mesos-despres-de-la-infeccio\/\" target=\"_blank\">la infecci\u00f3 pr\u00e8via i els anticossos que genera<\/a> afavoreixen una millor resposta a la vacuna, per\u00f2 tot i aix\u00ed, les autores i autors creuen que cal investigar millor el possible efecte de la contaminaci\u00f3 atmosf\u00e8rica sobre la immunitat h\u00edbrida (infecci\u00f3 m\u00e9s vacunaci\u00f3).<\/p>\n\n\n\n<div style=\"height:46px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Un estudi d&#8217;ISGlobal ha mostrat que les persones exposades a alts nivells de part\u00edcules en suspensi\u00f3, NO2 i carboni negre mostraven fins a un 10% de reducci\u00f3 en la resposta d&#8217;anticossos despr\u00e9s de vacunar-se contra la Covid-19.<\/p>\n","protected":false},"author":6,"featured_media":36034,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[26],"tags":[721,411,295,376,303],"new-type":[35],"class_list":["post-36033","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-recerca","tag-coronavirus-ca","tag-immunologia","tag-isglobal-cat","tag-pollucio","tag-salut-publica","new-type-noticies"],"acf":[],"_links":{"self":[{"href":"https:\/\/ellipse.prbb.org\/ca\/wp-json\/wp\/v2\/posts\/36033","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ellipse.prbb.org\/ca\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ellipse.prbb.org\/ca\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ellipse.prbb.org\/ca\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/ellipse.prbb.org\/ca\/wp-json\/wp\/v2\/comments?post=36033"}],"version-history":[{"count":4,"href":"https:\/\/ellipse.prbb.org\/ca\/wp-json\/wp\/v2\/posts\/36033\/revisions"}],"predecessor-version":[{"id":36040,"href":"https:\/\/ellipse.prbb.org\/ca\/wp-json\/wp\/v2\/posts\/36033\/revisions\/36040"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ellipse.prbb.org\/ca\/wp-json\/wp\/v2\/media\/36034"}],"wp:attachment":[{"href":"https:\/\/ellipse.prbb.org\/ca\/wp-json\/wp\/v2\/media?parent=36033"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ellipse.prbb.org\/ca\/wp-json\/wp\/v2\/categories?post=36033"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ellipse.prbb.org\/ca\/wp-json\/wp\/v2\/tags?post=36033"},{"taxonomy":"new-type","embeddable":true,"href":"https:\/\/ellipse.prbb.org\/ca\/wp-json\/wp\/v2\/new-type?post=36033"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}