{"id":7301,"date":"2026-06-11T10:13:59","date_gmt":"2026-06-11T07:13:59","guid":{"rendered":"https:\/\/wiki.voka.io\/glossary\/virus-epstein-barr\/"},"modified":"2026-07-23T14:05:27","modified_gmt":"2026-07-23T11:05:27","slug":"virus-epstein-barr","status":"publish","type":"glossary_item","link":"https:\/\/wiki.voka.io\/pt\/glossario\/virus-epstein-barr\/","title":{"rendered":"V\u00edrus Epstein-Barr"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">V\u00edrus Epstein-Barr (<em>nomeado em homenagem aos cientistas que o descobriram, Michael Epstein e Yvonne Barr<\/em>) \u00e9 um dos v\u00edrus humanos mais predominantes, pertencente \u00e0 subfam\u00edlia gammaherpesvirinae. \u00c9 o principal fator etiol\u00f3gico para o desenvolvimento de mononucleose infecciosa.<\/p>\n\n<h2 id=\"h-&#x44D;&#x442;&#x438;&#x43E;&#x43B;&#x43E;&#x433;&#x438;&#x44F;-&#x438;-&#x43F;&#x430;&#x442;&#x43E;&#x444;&#x438;&#x437;&#x438;&#x43E;&#x43B;&#x43E;&#x433;&#x438;&#x44F;\" class=\"wp-block-heading\"><strong>Etiologia e fisiopatologia<\/strong><\/h2>\n\n<p class=\"wp-block-paragraph\">O v\u00edrus, assim como outros representantes da fam\u00edlia herpesviridae, \u00e9 transmitido pela saliva em contato pr\u00f3ximo (a chamada &#8220;doen\u00e7a do beijo&#8221;). Ao entrar na orofaringe, o v\u00edrus penetra nas c\u00e9lulas epiteliais das membranas mucosas, onde se multiplica ativamente, e depois infecta linf\u00f3citos B (c\u00e9lulas imunol\u00f3gicas respons\u00e1veis pela produ\u00e7\u00e3o de anticorpos).<\/p>\n\n<p class=\"wp-block-paragraph\">Ap\u00f3s a infec\u00e7\u00e3o, o v\u00edrus permanece no corpo humano por toda a vida, principalmente nos linf\u00f3citos B. Ao longo da vida ocorre libera\u00e7\u00e3o espont\u00e2nea e assintom\u00e1tica do v\u00edrus pela saliva.<\/p>\n\n<h2 id=\"h-&#x43A;&#x43B;&#x438;&#x43D;&#x438;&#x447;&#x435;&#x441;&#x43A;&#x43E;&#x435;-&#x437;&#x43D;&#x430;&#x447;&#x435;&#x43D;&#x438;&#x435;\" class=\"wp-block-heading\"><strong>Import\u00e2ncia cl\u00ednica<\/strong><\/h2>\n\n<p class=\"wp-block-paragraph\">Na maioria dos casos, a infec\u00e7\u00e3o ocorre de forma assintom\u00e1tica. Contudo, em crian\u00e7as mais novas e adolescentes, desenvolve-se a mononucleose infecciosa cl\u00e1ssica.<\/p>\n\n<p class=\"wp-block-paragraph\">Ela se manifesta com os seguintes sintomas:<\/p>\n\n<ul class=\"wp-block-list\">\n<li><strong>febre alta persistente<\/strong>;<\/li>\n\n\n\n<li><strong>amigdalite<\/strong> com dep\u00f3sitos densos nas am\u00edgdalas;<\/li>\n\n\n\n<li><strong>linfadenopatia<\/strong> (aumento dos linfonodos);<\/li>\n\n\n\n<li><strong>hepatosplenomegalia<\/strong> (aumento do f\u00edgado e do ba\u00e7o).<\/li>\n<\/ul>\n\n<p class=\"wp-block-paragraph\">A ruptura do ba\u00e7o aumentado devido a trauma \u00e9 uma complica\u00e7\u00e3o rara, mas potencialmente fatal.<\/p>\n\n<p class=\"wp-block-paragraph\">N\u00e3o existe terapia antiviral espec\u00edfica ou vacina contra o v\u00edrus Epstein-Barr. O v\u00edrus possui potencial oncog\u00eanico comprovado.<\/p>\n\n<p class=\"wp-block-paragraph\">Pacientes com v\u00e1rias defici\u00eancias imunol\u00f3gicas est\u00e3o em risco de desenvolver doen\u00e7as oncol\u00f3gicas associadas ao VEB, tais como:<\/p>\n\n<ul class=\"wp-block-list\">\n<li><strong>v\u00e1rias linfomas<\/strong>;<\/li>\n\n\n\n<li><strong>carcinoma nasofar\u00edngeo<\/strong>.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>V\u00edrus Epstein-Barr (<em>nomeado em homenagem aos cientistas que o descobriram, Michael Epstein e Yvonne Barr<\/em>) \u00e9 um dos v\u00edrus humanos mais predominantes, pertencente \u00e0 subfam\u00edlia gammaherpesvirinae. \u00c9 o principal fator etiol\u00f3gico para o desenvolvimento de mononucleose infecciosa.<\/p>\n","protected":false},"featured_media":0,"template":"","class_list":["post-7301","glossary_item","type-glossary_item","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v25.0 (Yoast SEO v27.8) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>V\u00edrus Epstein-Barr: defini\u00e7\u00e3o m\u00e9dica e vis\u00e3o geral | Voka Wiki<\/title>\n<meta name=\"description\" content=\"V\u00edrus Epstein-Barr (nomeado em homenagem aos cientistas que o descobriram, Michael Epstein e Yvonne Barr) \u00e9 um dos v\u00edrus humanos mais predominantes, pertencente \u00e0 subfam\u00edlia gammaherpesvirinae. \u00c9 o principal fator etiol\u00f3gico para o desenvolvimento de mononucleose infecciosa.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/wiki.voka.io\/pt\/glossario\/virus-epstein-barr\/\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"V\u00edrus Epstein-Barr\" \/>\n<meta property=\"og:description\" content=\"V\u00edrus Epstein-Barr (nomeado em homenagem aos cientistas que o descobriram, Michael Epstein e Yvonne Barr) \u00e9 um dos v\u00edrus humanos mais predominantes, pertencente \u00e0 subfam\u00edlia gammaherpesvirinae. \u00c9 o principal fator etiol\u00f3gico para o desenvolvimento de mononucleose infecciosa.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/wiki.voka.io\/pt\/glossario\/virus-epstein-barr\/\" \/>\n<meta property=\"og:site_name\" content=\"Voka Wiki\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/VOKA3DAnatomyAndPathology\/\" \/>\n<meta property=\"article:modified_time\" content=\"2026-07-23T11:05:27+00:00\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Tempo estimado de leitura\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minuto\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/wiki.voka.io\\\/pt\\\/glossario\\\/virus-epstein-barr\\\/\",\"url\":\"https:\\\/\\\/wiki.voka.io\\\/pt\\\/glossario\\\/virus-epstein-barr\\\/\",\"name\":\"V\u00edrus Epstein-Barr: defini\u00e7\u00e3o m\u00e9dica e vis\u00e3o geral | Voka Wiki\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/wiki.voka.io\\\/pt\\\/#website\"},\"datePublished\":\"2026-06-11T07:13:59+00:00\",\"dateModified\":\"2026-07-23T11:05:27+00:00\",\"description\":\"V\u00edrus Epstein-Barr (nomeado em homenagem aos cientistas que o descobriram, Michael Epstein e Yvonne Barr) \u00e9 um dos v\u00edrus humanos mais predominantes, pertencente \u00e0 subfam\u00edlia gammaherpesvirinae. \u00c9 o principal fator etiol\u00f3gico para o desenvolvimento de mononucleose infecciosa.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/wiki.voka.io\\\/pt\\\/glossario\\\/virus-epstein-barr\\\/#breadcrumb\"},\"inLanguage\":\"pt-PT\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/wiki.voka.io\\\/pt\\\/glossario\\\/virus-epstein-barr\\\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/wiki.voka.io\\\/pt\\\/glossario\\\/virus-epstein-barr\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/wiki.voka.io\\\/pt\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Gloss\u00e1rio\",\"item\":\"https:\\\/\\\/wiki.voka.io\\\/pt\\\/glossario\\\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"V\u00edrus Epstein-Barr\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/wiki.voka.io\\\/pt\\\/#website\",\"url\":\"https:\\\/\\\/wiki.voka.io\\\/pt\\\/\",\"name\":\"Voka Wiki\",\"description\":\"\",\"publisher\":{\"@id\":\"https:\\\/\\\/wiki.voka.io\\\/pt\\\/#organization\"},\"alternateName\":\"Anatomy & Pathology Wiki by VOKA\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/wiki.voka.io\\\/pt\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"pt-PT\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/wiki.voka.io\\\/pt\\\/#organization\",\"name\":\"Voka 3D Anatomy & Pathology\",\"alternateName\":\"VOKA\",\"url\":\"https:\\\/\\\/wiki.voka.io\\\/pt\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"pt-PT\",\"@id\":\"https:\\\/\\\/wiki.voka.io\\\/pt\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/wiki.voka.io\\\/wp-content\\\/uploads\\\/2025\\\/02\\\/cropped-voka-logo-1.png\",\"contentUrl\":\"https:\\\/\\\/wiki.voka.io\\\/wp-content\\\/uploads\\\/2025\\\/02\\\/cropped-voka-logo-1.png\",\"width\":70,\"height\":16,\"caption\":\"Voka 3D Anatomy & Pathology\"},\"image\":{\"@id\":\"https:\\\/\\\/wiki.voka.io\\\/pt\\\/#\\\/schema\\\/logo\\\/image\\\/\"},\"sameAs\":[\"https:\\\/\\\/www.facebook.com\\\/VOKA3DAnatomyAndPathology\\\/\",\"https:\\\/\\\/www.instagram.com\\\/voka.io\\\/\",\"https:\\\/\\\/www.linkedin.com\\\/company\\\/voka-io\\\/\",\"https:\\\/\\\/www.youtube.com\\\/channel\\\/UCqGGuOEpr62ScH8Pjk2q5zw\\\/videos\",\"https:\\\/\\\/www.pinterest.com\\\/VokaAnatomyPro\\\/\",\"https:\\\/\\\/www.threads.com\\\/@voka.io\"],\"description\":\"VOKA.io offers 3D medical animations and custom 3D modeling services. Our product, VOKA 3D Anatomy & Pathology, is a digital atlas with over 1,000 detailed 3D models of human anatomy and pathology, designed for medical education, training, and patient communication.\",\"email\":\"info@voka.io\",\"telephone\":\"+1 814 351 4442\",\"legalName\":\"Voka 3D Anatomy & Pathology\",\"foundingDate\":\"2017-02-12\",\"naics\":\"541512\",\"numberOfEmployees\":{\"@type\":\"QuantitativeValue\",\"minValue\":\"51\",\"maxValue\":\"200\"},\"publishingPrinciples\":\"https:\\\/\\\/wiki.voka.io\\\/pt\\\/principios-de-publicacao\\\/\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"V\u00edrus Epstein-Barr: defini\u00e7\u00e3o m\u00e9dica e vis\u00e3o geral | Voka Wiki","description":"V\u00edrus Epstein-Barr (nomeado em homenagem aos cientistas que o descobriram, Michael Epstein e Yvonne Barr) \u00e9 um dos v\u00edrus humanos mais predominantes, pertencente \u00e0 subfam\u00edlia gammaherpesvirinae. \u00c9 o principal fator etiol\u00f3gico para o desenvolvimento de mononucleose infecciosa.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/wiki.voka.io\/pt\/glossario\/virus-epstein-barr\/","og_locale":"pt_PT","og_type":"article","og_title":"V\u00edrus Epstein-Barr","og_description":"V\u00edrus Epstein-Barr (nomeado em homenagem aos cientistas que o descobriram, Michael Epstein e Yvonne Barr) \u00e9 um dos v\u00edrus humanos mais predominantes, pertencente \u00e0 subfam\u00edlia gammaherpesvirinae. \u00c9 o principal fator etiol\u00f3gico para o desenvolvimento de mononucleose infecciosa.","og_url":"https:\/\/wiki.voka.io\/pt\/glossario\/virus-epstein-barr\/","og_site_name":"Voka Wiki","article_publisher":"https:\/\/www.facebook.com\/VOKA3DAnatomyAndPathology\/","article_modified_time":"2026-07-23T11:05:27+00:00","twitter_card":"summary_large_image","twitter_misc":{"Tempo estimado de leitura":"1 minuto"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/wiki.voka.io\/pt\/glossario\/virus-epstein-barr\/","url":"https:\/\/wiki.voka.io\/pt\/glossario\/virus-epstein-barr\/","name":"V\u00edrus Epstein-Barr: defini\u00e7\u00e3o m\u00e9dica e vis\u00e3o geral | Voka Wiki","isPartOf":{"@id":"https:\/\/wiki.voka.io\/pt\/#website"},"datePublished":"2026-06-11T07:13:59+00:00","dateModified":"2026-07-23T11:05:27+00:00","description":"V\u00edrus Epstein-Barr (nomeado em homenagem aos cientistas que o descobriram, Michael Epstein e Yvonne Barr) \u00e9 um dos v\u00edrus humanos mais predominantes, pertencente \u00e0 subfam\u00edlia gammaherpesvirinae. \u00c9 o principal fator etiol\u00f3gico para o desenvolvimento de mononucleose infecciosa.","breadcrumb":{"@id":"https:\/\/wiki.voka.io\/pt\/glossario\/virus-epstein-barr\/#breadcrumb"},"inLanguage":"pt-PT","potentialAction":[{"@type":"ReadAction","target":["https:\/\/wiki.voka.io\/pt\/glossario\/virus-epstein-barr\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/wiki.voka.io\/pt\/glossario\/virus-epstein-barr\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/wiki.voka.io\/pt\/"},{"@type":"ListItem","position":2,"name":"Gloss\u00e1rio","item":"https:\/\/wiki.voka.io\/pt\/glossario\/"},{"@type":"ListItem","position":3,"name":"V\u00edrus Epstein-Barr"}]},{"@type":"WebSite","@id":"https:\/\/wiki.voka.io\/pt\/#website","url":"https:\/\/wiki.voka.io\/pt\/","name":"Voka Wiki","description":"","publisher":{"@id":"https:\/\/wiki.voka.io\/pt\/#organization"},"alternateName":"Anatomy & Pathology Wiki by VOKA","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/wiki.voka.io\/pt\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"pt-PT"},{"@type":"Organization","@id":"https:\/\/wiki.voka.io\/pt\/#organization","name":"Voka 3D Anatomy & Pathology","alternateName":"VOKA","url":"https:\/\/wiki.voka.io\/pt\/","logo":{"@type":"ImageObject","inLanguage":"pt-PT","@id":"https:\/\/wiki.voka.io\/pt\/#\/schema\/logo\/image\/","url":"https:\/\/wiki.voka.io\/wp-content\/uploads\/2025\/02\/cropped-voka-logo-1.png","contentUrl":"https:\/\/wiki.voka.io\/wp-content\/uploads\/2025\/02\/cropped-voka-logo-1.png","width":70,"height":16,"caption":"Voka 3D Anatomy & Pathology"},"image":{"@id":"https:\/\/wiki.voka.io\/pt\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/VOKA3DAnatomyAndPathology\/","https:\/\/www.instagram.com\/voka.io\/","https:\/\/www.linkedin.com\/company\/voka-io\/","https:\/\/www.youtube.com\/channel\/UCqGGuOEpr62ScH8Pjk2q5zw\/videos","https:\/\/www.pinterest.com\/VokaAnatomyPro\/","https:\/\/www.threads.com\/@voka.io"],"description":"VOKA.io offers 3D medical animations and custom 3D modeling services. Our product, VOKA 3D Anatomy & Pathology, is a digital atlas with over 1,000 detailed 3D models of human anatomy and pathology, designed for medical education, training, and patient communication.","email":"info@voka.io","telephone":"+1 814 351 4442","legalName":"Voka 3D Anatomy & Pathology","foundingDate":"2017-02-12","naics":"541512","numberOfEmployees":{"@type":"QuantitativeValue","minValue":"51","maxValue":"200"},"publishingPrinciples":"https:\/\/wiki.voka.io\/pt\/principios-de-publicacao\/"}]}},"_links":{"self":[{"href":"https:\/\/wiki.voka.io\/pt\/wp-json\/wp\/v2\/glossary_item\/7301","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wiki.voka.io\/pt\/wp-json\/wp\/v2\/glossary_item"}],"about":[{"href":"https:\/\/wiki.voka.io\/pt\/wp-json\/wp\/v2\/types\/glossary_item"}],"wp:attachment":[{"href":"https:\/\/wiki.voka.io\/pt\/wp-json\/wp\/v2\/media?parent=7301"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}