{"id":4802,"date":"2026-02-26T16:55:39","date_gmt":"2026-02-26T13:55:39","guid":{"rendered":"https:\/\/wiki.dev.voka.io\/diseases\/uncategorized\/herpesvirus\/"},"modified":"2026-04-01T18:37:42","modified_gmt":"2026-04-01T15:37:42","slug":"herpesvirus","status":"publish","type":"diseases_post","link":"https:\/\/wiki.dev.voka.io\/pt\/doencas\/doencas-infecciosas\/herpesvirus\/","title":{"rendered":"Herpesv\u00edrus humanos: caracter\u00edsticas gerais, classifica\u00e7\u00e3o e diagn\u00f3stico de infec\u00e7\u00f5es"},"content":{"rendered":"<p><?xml encoding=\"UTF-8\" ?><\/p>\n<p>Os herpesv\u00edrus s\u00e3o grandes v\u00edrus envelopados com DNA de dupla h\u00e9lice. Taxonomicamente, a fam\u00edlia <em>Herpesviridae<\/em> inclui tr\u00eas subfam\u00edlias (<em>Alphaherpesvirinae<\/em>, <em>Betaherpesvirinae<\/em> e <em>Gammaherpesvirinae<\/em>). Mais de 100 herpesv\u00edrus foram identificados em v\u00e1rias esp\u00e9cies de vertebrados, dos quais 9 comprovadamente infectam humanos. <\/p>\n<p>Eles causam uma ampla gama de doen\u00e7as, desde les\u00f5es mucocut\u00e2neas (orofaringe, \u00e1rea genital) at\u00e9 graves condi\u00e7\u00f5es incapacitantes (ceratite, encefalite, infec\u00e7\u00f5es cong\u00eanitas e malignidades associadas ao v\u00edrus). Indiv\u00edduos infectados servem como reservat\u00f3rios para herpesv\u00edrus e s\u00e3o fontes de infec\u00e7\u00e3o para contatos suscet\u00edveis ao longo de sua vida.<\/p>\n<h2 class=\"wp-block-heading\" id=\"epidemiologia-dos-herpesvirus\">Epidemiologia dos herpesv\u00edrus<\/h2>\n<p>Do ponto de vista epidemiol\u00f3gico, os herpesv\u00edrus s\u00e3o os pat\u00f3genos humanos mais amplamente disseminados e a taxa de soropreval\u00eancia varia entre os pa\u00edses dependendo de fatores et\u00e1rios, geogr\u00e1ficos e socioecon\u00f4micos. Uma por\u00e7\u00e3o significativa da popula\u00e7\u00e3o est\u00e1 infectada com pelo menos um ou m\u00faltiplos herpesv\u00edrus humanos (HVH), muitas vezes de forma assintom\u00e1tica. <\/p>\n<p>Aproximadamente 3,8 bilh\u00f5es de pessoas est\u00e3o infectadas com HSV-1 e cerca de 520 milh\u00f5es com HSV-2. O v\u00edrus Epstein-Barr (EBV) e o v\u00edrus da varicela-zoster (VVZ) est\u00e3o presentes em mais de 90% da popula\u00e7\u00e3o adulta mundial, e o citomegalov\u00edrus (CMV) em 40 a 100%. Anticorpos para HVH-6 e HVH-7 s\u00e3o detectados em um grande n\u00famero de crian\u00e7as at\u00e9 os 5 anos. <\/p>\n<p>O herpesv\u00edrus humano tipo 8 (KSHV, HVH-8) est\u00e1 associado ao sarcoma de Kaposi em pacientes com infec\u00e7\u00e3o por HIV em est\u00e1gio de AIDS, alguns tumores s\u00f3lidos e doen\u00e7as linfoproliferativas. Os casos de infec\u00e7\u00f5es por HVH em humanos n\u00e3o apresentam sazonalidade (o contato pr\u00f3ximo ocorre durante todo o ano).<strong><\/strong><\/p>\n<h2 class=\"wp-block-heading\" id=\"transmissao-dos-herpesvirus\">Transmiss\u00e3o dos herpesv\u00edrus<\/h2>\n<p>HVH s\u00e3o transmitidos por v\u00e1rias vias, dependendo do tipo:<\/p>\n<ol class=\"wp-block-list\">\n<li>Transmiss\u00e3o por contato (direto): atrav\u00e9s de fluidos biol\u00f3gicos em contato direto com membranas mucosas e pele:\n<ul class=\"wp-block-list\">\n<li>Saliva: todas as fam\u00edlias;<\/li>\n<li>Conte\u00fados vesiculares: alfaherpesv\u00edrus;<\/li>\n<li>Secre\u00e7\u00f5es genitais: HSV, CMV.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<p>Embora os HVH sejam altamente infecciosos ap\u00f3s a inocula\u00e7\u00e3o em membranas mucosas ou pele, seus v\u00edrions s\u00e3o inst\u00e1veis fora das c\u00e9lulas humanas, e a maioria das transmiss\u00f5es requer contato direto interpessoal pr\u00f3ximo (mucosa a mucosa n\u00e3o infectada ou pele durante contato \u00edntimo: beijo ou contato sexual). Embora a pele seja menos suscet\u00edvel \u00e0 inocula\u00e7\u00e3o direta, a probabilidade de infec\u00e7\u00e3o aumenta com rupturas na integridade (superf\u00edcies de queimaduras, eczema, dermatite at\u00f3pica, herpes gladiatorum em lutadores ou herpes rugbiorum em jogadores de rugby). Os v\u00edrus podem persistir por v\u00e1rias horas em superf\u00edcies e objetos, mas esse tipo de contato indireto n\u00e3o est\u00e1 associado ao risco de propaga\u00e7\u00e3o dos HVH.<\/p>\n<ol start=\"2\" class=\"wp-block-list\">\n<li>Transmiss\u00e3o a\u00e9rea (aerosol): VVZ.<\/li>\n<li>Transmiss\u00e3o de m\u00e3e para filho: intrauterina, intraparto (HSV, VVZ, CMV).<\/li>\n<\/ol>\n<h2 class=\"wp-block-heading\" id=\"propriedades-biologicas-gerais-dos-herpesvirus\">Propriedades biol\u00f3gicas gerais dos herpesv\u00edrus<\/h2>\n<p>Todos os herpesv\u00edrus codificam enzimas \u00fanicas envolvidas na s\u00edntese do DNA viral e fornecem alvos \u00fanicos para inibi\u00e7\u00e3o antiviral. A replica\u00e7\u00e3o (do latim replicatio: renova\u00e7\u00e3o, s\u00edntese e montagem do DNA viral, forma\u00e7\u00e3o do caps\u00eddeo) ocorre no n\u00facleo das c\u00e9lulas humanas.<\/p>\n<p>Uma caracter\u00edstica distintiva significativa de todos os herpesv\u00edrus humanos (HVH) \u00e9 a capacidade de desenvolver infec\u00e7\u00f5es latentes ap\u00f3s a infec\u00e7\u00e3o prim\u00e1ria (tais infec\u00e7\u00f5es n\u00e3o s\u00e3o eliminados ap\u00f3s a infec\u00e7\u00e3o inicial; o genoma viral persiste em tipos espec\u00edficos de c\u00e9lulas, chamadas c\u00e9lulas-alvo, caracter\u00edsticos de cada v\u00edrus: tropismo tecidual \u00fanico). Indiv\u00edduos infectados permanecem como reservat\u00f3rios de v\u00edrus por toda a vida e s\u00e3o fontes do v\u00edrus para contatos suscet\u00edveis.<\/p>\n<p>Lat\u00eancia (do latim latentis: oculto, invis\u00edvel). Durante a lat\u00eancia, os genomas virais s\u00e3o mantidos de forma extracromoss\u00f4mica ou integrados no DNA da c\u00e9lula. A reativa\u00e7\u00e3o da lat\u00eancia ocorre em resposta a v\u00e1rios irritantes ou est\u00edmulos (estresse, inflama\u00e7\u00e3o, imunossupress\u00e3o, menstrua\u00e7\u00e3o, exposi\u00e7\u00e3o \u00e0 radia\u00e7\u00e3o ultravioleta\/frio, etc.), permitindo a propaga\u00e7\u00e3o viral entre indiv\u00edduos n\u00e3o imunes (suscet\u00edveis). A reativa\u00e7\u00e3o ocorre predominantemente de forma assintom\u00e1tica, embora possa levar a uma reca\u00edda sintom\u00e1tica da doen\u00e7a, at\u00e9 condi\u00e7\u00f5es potencialmente fatais (principalmente em indiv\u00edduos imunocomprometidos).<\/p>\n<p>Os HVH empregam estrat\u00e9gias em v\u00e1rias camadas para evadir respostas imunes visando a imunidade inata e adaptativa, o que lhes permite estabelecer infec\u00e7\u00f5es est\u00e1veis e ao longo da vida. Esses mecanismos operam ao longo do ciclo de vida do v\u00edrus e s\u00e3o adaptados a v\u00e1rios est\u00e1gios da infec\u00e7\u00e3o, incluindo replica\u00e7\u00e3o l\u00edtica, lat\u00eancia e reativa\u00e7\u00e3o.<\/p>\n<h2 class=\"wp-block-heading\" id=\"estrutura-e-morfologia-do-virion\">Estrutura e morfologia do v\u00edrion<\/h2>\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/storage.googleapis.com\/dev_wiki_voka_io_303011\/articles\/en\/infectious-diseases\/herpesviruses\/structure-of-HV.webp\" alt=\"Estrutura do herpesv\u00edrus humano: 1 \u2014 glicoprote\u00ednas; 2 \u2014 caps\u00eddeo (nucleocaps\u00eddeo); 3 \u2014 envelope lip\u00eddico; 4 \u2014 genoma de DNA; 5 \u2014 tegumento\"><figcaption class=\"wp-element-caption\">Estrutura do herpesv\u00edrus humano: 1 \u2014 glicoprote\u00ednas; 2 \u2014 caps\u00eddeo (nucleocaps\u00eddeo); 3 \u2014 envelope lip\u00eddico; 4 \u2014 genoma de DNA; 5 \u2014 tegumento<\/figcaption><\/figure>\n<p>Apesar da diversidade biol\u00f3gica, todos os herpesv\u00edrus t\u00eam uma estrutura comum de v\u00edrion. Os principais componentes da estrutura incluem:<\/p>\n<ul class=\"wp-block-list\">\n<li><strong>Genoma de DNA<\/strong>: localizado no centro, \u00e9 uma grande mol\u00e9cula linear de dupla h\u00e9lice.<\/li>\n<li><strong>Caps\u00eddeo<\/strong>: uma concha icosa\u00e9drica composta por caps\u00f4meros, envolvendo o genoma. <\/li>\n<li><strong>Tegumento<\/strong>: uma camada amorfa envolvente ao caps\u00eddeo. Cont\u00e9m fatores virais essenciais para a modula\u00e7\u00e3o da imunidade e transporte intracelular. <\/li>\n<li><strong>Envelope bilip\u00eddico<\/strong>: a camada mais externa, formada a partir das membranas das c\u00e9lulas hospedeiras. Cont\u00e9m m\u00faltiplas glicoprote\u00ednas, que conferem propriedades distintas a cada v\u00edrus, proporcionando fixa\u00e7\u00e3o, penetra\u00e7\u00e3o e dissemina\u00e7\u00e3o c\u00e9lula a c\u00e9lula.<\/li>\n<\/ul>\n<h2 class=\"wp-block-heading\" id=\"classificacao-dos-herpesvirus-humanos-hvh\">Classifica\u00e7\u00e3o dos herpesv\u00edrus humanos (HVH)<\/h2>\n<p>Com base na estrutura gen\u00f4mica, cin\u00e9tica de replica\u00e7\u00e3o, gama de hospedeiros e reservat\u00f3rios de lat\u00eancia, a fam\u00edlia Herpesviridae \u00e9 dividida em 3 subfam\u00edlias principais: Alphaherpesvirinae, Betaherpesvirinae e Gammaherpesvirinae.<\/p>\n<p><strong>Classifica\u00e7\u00e3o dos HVH<\/strong><\/p>\n<figure class=\"wp-block-table table-to-cards\">\n<table class=\"has-fixed-layout\">\n<thead>\n<tr>\n<th class=\"has-text-align-center\" data-align=\"center\"><strong>Subfam\u00edlia<\/strong><\/th>\n<th class=\"has-text-align-center\" data-align=\"center\"><strong>Nomes<\/strong><\/th>\n<th><strong>Doen\u00e7as<\/strong><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td class=\"has-text-align-center\" data-align=\"center\"><em>Alphaherpesvirinae<\/em><\/td>\n<td class=\"has-text-align-center\" data-align=\"center\">HSV-1 \u2014 v\u00edrus do herpes simples tipo 1; HVH-1 \u2014 herpesv\u00edrus humano tipo 1<\/td>\n<td>Infec\u00e7\u00e3o prim\u00e1ria: les\u00f5es mucocut\u00e2neas, conjuntivite, encefalite. Reativa\u00e7\u00e3o: herpes recorrente. Esses sintomas tamb\u00e9m podem ser causados pelo HVH-2<\/td>\n<\/tr>\n<tr>\n<td class=\"has-text-align-center\" data-align=\"center\"><em>Alphaherpesvirinae<\/em><\/td>\n<td class=\"has-text-align-center\" data-align=\"center\">HSV-2 \u2014 v\u00edrus do herpes simples tipo 2; HVH-2 \u2014 herpesv\u00edrus humano tipo 2<\/td>\n<td>Herpes genital prim\u00e1rio e recorrente; herpes neonatal; meningite. Esses sintomas tamb\u00e9m podem ser causados pelo HVH-1<\/td>\n<\/tr>\n<tr>\n<td class=\"has-text-align-center\" data-align=\"center\"><em>Alphaherpesvirinae<\/em><\/td>\n<td class=\"has-text-align-center\" data-align=\"center\">VVZ \u2014 v\u00edrus varicela-zoster; HVH-3 \u2014 herpesv\u00edrus humano tipo 3<\/td>\n<td>Infec\u00e7\u00e3o prim\u00e1ria: varicela (catapora). Reativa\u00e7\u00e3o: herpes zoster (cobreiro)<\/td>\n<\/tr>\n<tr>\n<td class=\"has-text-align-center\" data-align=\"center\"><em>Gammaherpesvirinae<\/em><\/td>\n<td class=\"has-text-align-center\" data-align=\"center\">HVH-4 \u2014 herpesv\u00edrus tipo 4; EBV \u2014 v\u00edrus Epstein-Barr<\/td>\n<td>Mononucleose infecciosa, carcinoma nasofar\u00edngeo, linfoma de Hodgkin, linfoma de Burkitt, s\u00edndromes linfoproliferativas*, leucoqueratose pilosa*<\/td>\n<\/tr>\n<tr>\n<td class=\"has-text-align-center\" data-align=\"center\"><em>Betaherpesvirinae<\/em><\/td>\n<td class=\"has-text-align-center\" data-align=\"center\">HVH-5 \u2014 herpesv\u00edrus tipo 5; CMV \u2014 citomegalov\u00edrus<\/td>\n<td>Mononucleose, infec\u00e7\u00e3o cong\u00eanita por CMV, retinite*, pneumonia*, colite*<\/td>\n<\/tr>\n<tr>\n<td class=\"has-text-align-center\" data-align=\"center\"><em>Betaherpesvirinae<\/em><\/td>\n<td class=\"has-text-align-center\" data-align=\"center\">HVH-6A, HVH-6B \u2014 herpesv\u00edrus tipos 5A e 5B<\/td>\n<td>Ros\u00e9ola infantil<\/td>\n<\/tr>\n<tr>\n<td class=\"has-text-align-center\" data-align=\"center\"><em>Gammaherpesvirinae<\/em><\/td>\n<td class=\"has-text-align-center\" data-align=\"center\">HVH-8 \u2014 herpesv\u00edrus tipo 8; KSHV \u2014 herpesv\u00edrus associado ao sarcoma de Kaposi<\/td>\n<td>N\u00e3o causa doen\u00e7as agudas. Est\u00e1 associado \u00e0 doen\u00e7a de Castleman, sarcoma de Kaposi* e linfomas n\u00e3o Hodgkin em pessoas que vivem com HIV<\/td>\n<\/tr>\n<\/tbody>\n<\/table><figcaption class=\"wp-element-caption\"><strong>Observa\u00e7\u00e3o:<\/strong><br \/>* Indiv\u00edduos imunocomprometidos<\/figcaption><\/figure>\n<h3 class=\"wp-block-heading\" id=\"caracteristicas-das-subfamilias-de-herpesvirus\">Caracter\u00edsticas das subfam\u00edlias de herpesv\u00edrus<\/h3>\n<ol class=\"wp-block-list\">\n<li><strong>Alphaherpesv\u00edrus (HVH-1, HVH-2, VVZ). <\/strong>Estabelecem lat\u00eancia nos g\u00e2nglios nervosos sensoriais, caracterizam-se por ciclos reprodutivos extremamente curtos (horas), efeitos citop\u00e1ticos pronunciados em c\u00e9lulas epiteliais infectadas e capacidade de reativa\u00e7\u00e3o, levando a les\u00f5es mucocut\u00e2neas. <\/li>\n<li><strong>Betaherpesv\u00edrus (CMV, HVH-6A, HVH-6B, HVH-7)<\/strong>. T\u00eam longos ciclos de vida reprodutiva (dias) e desenvolvem infec\u00e7\u00f5es latentes em c\u00e9lulas progenitoras mieloides, macr\u00f3fagos teciduais e gl\u00e2ndulas secretoras, permitindo persist\u00eancia sist\u00eamica. A reativa\u00e7\u00e3o dos betaherpesv\u00edrus causa doen\u00e7a em indiv\u00edduos imunocomprometidos.<\/li>\n<li><strong>Gammaherpesv\u00edrus (EBV, KSHV\/HVH-8)<\/strong>. Infectam principalmente c\u00e9lulas linfoides. A infec\u00e7\u00e3o persistente est\u00e1 estreitamente associada a dist\u00farbios linfoproliferativos e neoplasias malignas.<\/li>\n<\/ol>\n<h2 class=\"wp-block-heading\" id=\"metodos-de-diagnostico-para-herpesvirus\">M\u00e9todos de diagn\u00f3stico para herpesv\u00edrus<\/h2>\n<p>Os m\u00e9todos de diagn\u00f3stico inicial s\u00e3o clinicamente baseados em altera\u00e7\u00f5es caracter\u00edsticas (les\u00f5es na pele e\/ou membranas mucosas).<\/p>\n<h3 class=\"wp-block-heading\" id=\"diagnostico-laboratorial\">Diagn\u00f3stico laboratorial<\/h3>\n<ul class=\"wp-block-list\">\n<li>Cultura celular (diagn\u00f3stico de alphaherpesv\u00edrus por meio de ciclos de replica\u00e7\u00e3o curtos e efeito citop\u00e1tico);<\/li>\n<li>Rea\u00e7\u00e3o de imunofluoresc\u00eancia (diagn\u00f3stico de HVH-1 e HVH-2);<\/li>\n<li>PCR (detec\u00e7\u00e3o de DNA, qualquer meio biol\u00f3gico);<\/li>\n<li>An\u00e1lise sorol\u00f3gica (frequentemente uma verifica\u00e7\u00e3o retrospectiva da infec\u00e7\u00e3o).<\/li>\n<\/ul>\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/storage.googleapis.com\/dev_wiki_voka_io_303011\/articles\/en\/infectious-diseases\/herpesviruses\/laboratory-diagnosis-of-human-herpesvirus-tests-and-methods.webp\" alt=\"Diagn\u00f3stico laboratorial de herpesv\u00edrus humano\"><figcaption class=\"wp-element-caption\">Diagn\u00f3stico laboratorial de herpesv\u00edrus humano<\/figcaption><\/figure>\n<h2 class=\"wp-block-heading\" id=\"prevencao\">Preven\u00e7\u00e3o<\/h2>\n<p>Medidas individuais para preven\u00e7\u00e3o da infec\u00e7\u00e3o:<\/p>\n<ol class=\"wp-block-list\">\n<li><strong>Vacina\u00e7\u00e3o<\/strong>. Atualmente, n\u00e3o existem vacinas licenciadas contra HVH-1 ou HVH-2; apenas vacinas para a preven\u00e7\u00e3o de infec\u00e7\u00e3o por VVZ est\u00e3o dispon\u00edveis (viva atenuada para catapora e recombinante para herpes zoster).<\/li>\n<li><strong>Imunoprofilaxia<\/strong>. Imunoglobulina contra VVZ para pacientes sem evid\u00eancias de imunidade ao VVZ que est\u00e3o em alto risco de varicela grave e complica\u00e7\u00f5es, que tiveram contato com pacientes com varicela ou herpes zoster, e para quem a vacina\u00e7\u00e3o contra varicela \u00e9 contraindicada.<\/li>\n<\/ol>\n<div class=\"social-banner-block\">\n<div class=\"social-banner-content\">\n<p class=\"h5-title text-black\">Encontra mais conte\u00fados cientificamente exactos nas nossas redes sociais<\/p>\n<p><span class=\"social-banner-text text-grey\">Subscreve e n\u00e3o percas os recursos mais recentes<\/span><\/p>\n<div class=\"social-links-wrapper\"><a class=\"social-icon-link\" href=\"https:\/\/www.facebook.com\/VOKA3DAnatomyAndPathology\/\" target=\"_blank\" rel=\"nofollow noopener\"><img decoding=\"async\" src=\"https:\/\/storage.googleapis.com\/dev_wiki_voka_io_303011\/common\/Social%20Icons\/facebook.svg\" alt=\"social link\"><\/a><a class=\"social-icon-link\" href=\"https:\/\/www.instagram.com\/voka.io\/\" target=\"_blank\" rel=\"nofollow noopener\"><img decoding=\"async\" src=\"https:\/\/storage.googleapis.com\/dev_wiki_voka_io_303011\/common\/Social%20Icons\/insta.svg\" alt=\"social link\"><\/a><a class=\"social-icon-link\" href=\"https:\/\/www.linkedin.com\/company\/voka-io\/posts\/?feedView=all\" target=\"_blank\" rel=\"nofollow noopener\"><img decoding=\"async\" src=\"https:\/\/storage.googleapis.com\/dev_wiki_voka_io_303011\/common\/Social%20Icons\/linkedin.svg\" alt=\"social link\"><\/a><a class=\"social-icon-link\" href=\"https:\/\/www.youtube.com\/@vokaio\" target=\"_blank\" rel=\"nofollow noopener\"><img decoding=\"async\" src=\"https:\/\/storage.googleapis.com\/dev_wiki_voka_io_303011\/common\/Social%20Icons\/youtube.svg\" alt=\"social link\"><\/a><a class=\"social-icon-link\" href=\"https:\/\/www.pinterest.com\/voka3danatomyandpathology\/\" target=\"_blank\" rel=\"nofollow noopener\"><img decoding=\"async\" src=\"https:\/\/storage.googleapis.com\/dev_wiki_voka_io_303011\/common\/Social%20Icons\/pinterest.svg\" alt=\"social link\"><\/a><a class=\"social-icon-link\" href=\"https:\/\/www.tiktok.com\/@voka.io\" target=\"_blank\" rel=\"nofollow noopener\"><img decoding=\"async\" src=\"https:\/\/storage.googleapis.com\/dev_wiki_voka_io_303011\/common\/Social%20Icons\/tiktok.svg\" alt=\"social link\"><\/a><a class=\"social-icon-link\" href=\"https:\/\/discord.gg\/7ejUpq8DRR\" target=\"_blank\" rel=\"nofollow noopener\"><img decoding=\"async\" src=\"https:\/\/storage.googleapis.com\/dev_wiki_voka_io_303011\/common\/Social%20Icons\/discord.svg\" alt=\"social link\"><\/a><\/div>\n<\/div>\n<p><img decoding=\"async\" class=\"social-banner-image\" loading=\"lazy\" src=\"https:\/\/storage.googleapis.com\/dev_wiki_voka_io_303011\/common\/social-media-banner-mobile-image.webp\" alt=\"Banner background\"><\/div>\n<h2 class=\"wp-block-heading\" id=\"abordagens-para-a-terapia\">Abordagens para a terapia<\/h2>\n<p>A maioria das doen\u00e7as causadas por <em>Herpesviridae<\/em> em indiv\u00edduos imunocompetentes de v\u00e1rias idades se resolve espontaneamente ou requer terapia sintom\u00e1tica.<\/p>\n<p>Medicamentos antivirais para o tratamento de infec\u00e7\u00f5es causadas por alfaherpesv\u00edrus: aciclovir, valaciclovir e famciclovir. Para infec\u00e7\u00f5es por CMV: valaciclovir, ganciclovir, valganciclovir, foscarnet e cidofovir. N\u00e3o existem medicamentos antivirais eficazes dispon\u00edveis contra EBV. <\/p>\n<p>N\u00e3o \u00e9 recomendada terapia espec\u00edfica para infec\u00e7\u00f5es causadas por HVH-6, HVH-7 e HVH-8, mas em casos espec\u00edficos, valaciclovir, valganciclovir, foscarnet e cidofovir podem ser usados para o tratamento de HVH-6 em indiv\u00edduos imunocompetentes.<\/p>\n<div>\n<h2 class=\"faq-title h2-article\" id=\"faq\">FAQ<\/h2>\n<div class=\"faq-section\">\n<div class=\"faq-item faq-answer-hidden\">\n<div class=\"question-block\">\n<div class=\"faq-question\">\n<p class=\" text-black h5-title\">1. O que s\u00e3o os herpesv\u00edrus e qual \u00e9 sua caracter\u00edstica principal?<\/p>\n<\/div>\n<div class=\"faq-answer text-main-text-color main-text-medium\">Os herpesv\u00edrus s\u00e3o uma fam\u00edlia de v\u00edrus que cont\u00eam DNA, cuja caracter\u00edstica distintiva \u00e9 a capacidade de desenvolver infec\u00e7\u00f5es latentes ao longo da vida. Ap\u00f3s a infec\u00e7\u00e3o inicial, o v\u00edrus persiste em certas c\u00e9lulas do corpo e pode reativar-se sob certos est\u00edmulos.<\/div>\n<\/div>\n<div class=\"expand-button-wrapper\"><button class=\"text-accent expand-button\">+<\/button><\/div>\n<\/div>\n<div class=\"faq-item faq-answer-hidden\">\n<div class=\"question-block\">\n<div class=\"faq-question\">\n<p class=\" text-black h5-title\">2. Quantos tipos de herpesv\u00edrus s\u00e3o patog\u00eanicos para humanos?<\/p>\n<\/div>\n<div class=\"faq-answer text-main-text-color main-text-medium\">Atualmente, est\u00e1 comprovado que 9 tipos de herpesv\u00edrus infectam humanos, os quais s\u00e3o divididos em tr\u00eas subfam\u00edlias (Alpha, Beta e Gamma). Entre eles est\u00e3o os v\u00edrus herpes simplex tipos 1 e 2, v\u00edrus varicela-zoster, v\u00edrus Epstein-Barr, citomegalov\u00edrus e outros.<\/div>\n<\/div>\n<div class=\"expand-button-wrapper\"><button class=\"text-accent expand-button\">+<\/button><\/div>\n<\/div>\n<div class=\"faq-item faq-answer-hidden\">\n<div class=\"question-block\">\n<div class=\"faq-question\">\n<p class=\" text-black h5-title\">3. O que \u00e9 lat\u00eancia e por que o v\u00edrus do herpes n\u00e3o pode ser erradicado do corpo?<\/p>\n<\/div>\n<div class=\"faq-answer text-main-text-color main-text-medium\">Lat\u00eancia \u00e9 um estado em que o genoma viral \u00e9 preservado nas c\u00e9lulas (por exemplo, em neur\u00f4nios) em um modo \u201cadormecido\u201d, n\u00e3o causando a morte celular e permanecendo invis\u00edvel para o sistema imunol\u00f3gico. Os tratamentos atuais podem suprimir a replica\u00e7\u00e3o viral, mas n\u00e3o garantem a sua elimina\u00e7\u00e3o completa das c\u00e9lulas reservat\u00f3rio.<\/div>\n<\/div>\n<div class=\"expand-button-wrapper\"><button class=\"text-accent expand-button\">+<\/button><\/div>\n<\/div>\n<div class=\"faq-item faq-answer-hidden\">\n<div class=\"question-block\">\n<div class=\"faq-question\">\n<p class=\" text-black h5-title\">4. Como as infec\u00e7\u00f5es por herpesv\u00edrus s\u00e3o transmitidas?<\/p>\n<\/div>\n<div class=\"faq-answer text-main-text-color main-text-medium\">A transmiss\u00e3o ocorre principalmente atrav\u00e9s do contato direto por fluidos biol\u00f3gicos (saliva, secre\u00e7\u00f5es genitais). Para o v\u00edrus varicela-zoster (VVZ), a transmiss\u00e3o por via a\u00e9rea tamb\u00e9m \u00e9 caracter\u00edstica. Tamb\u00e9m \u00e9 poss\u00edvel a transmiss\u00e3o vertical de m\u00e3e para filho durante a gravidez ou parto.<\/div>\n<\/div>\n<div class=\"expand-button-wrapper\"><button class=\"text-accent expand-button\">+<\/button><\/div>\n<\/div>\n<div class=\"faq-item faq-answer-hidden\">\n<div class=\"question-block\">\n<div class=\"faq-question\">\n<p class=\" text-black h5-title\">5. Quais medidas preventivas podem ser adotadas? H\u00e1 vacina\u00e7\u00e3o dispon\u00edvel?<\/p>\n<\/div>\n<div class=\"faq-answer text-main-text-color main-text-medium\">Atualmente, a vacina\u00e7\u00e3o espec\u00edfica est\u00e1 dispon\u00edvel apenas para o v\u00edrus varicela-zoster (infec\u00e7\u00e3o por VVZ). Para outros tipos de HVH (por exemplo, herpes tipo 1 e 2), as vacinas est\u00e3o em desenvolvimento. Portanto, as principais medidas incluem pr\u00e1ticas de higiene e uso de medidas de prote\u00e7\u00e3o durante o contato sexual.<\/div>\n<\/div>\n<div class=\"expand-button-wrapper\"><button class=\"text-accent expand-button\">+<\/button><\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"sources-list-block sources-list-hidden\" id=\"referencias\">\n<div class=\"sources-list-content\">\n<div class=\"sources-list-title\">\n<p class=\"small-text-bold text-black sources-list-title-text\">Refer\u00eancias<\/p>\n<div class=\"sources-expand-button-wrapper-mobile\">\n<div class=\"sources-expand-button\"><svg width=\"32\" height=\"32\" viewbox=\"0 0 32 32\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M8 12L16 20L24 12\" stroke=\"#8C9AAB\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><\/path><\/svg><\/div>\n<\/div>\n<\/div>\n<div class=\"sources-list-items\">\n<div class=\"source-item\">\n<p class=\"main-text-semibold text-black\">1.<\/p>\n<div class=\"source-item-content\">\n<p class=\"main-text-semibold text-black\"><cite>VOKA 3D Anatomy & Pathology \u2013 Complete Anatomy and Pathology 3D Atlas [VOKA 3D Anatomia & Patologia \u2013 Atlas 3D completo de anatomia e patologia] [Internet]. VOKA 3D Anatomy & Pathology. <\/cite><\/p>\n<p><span class=\"small-text-medium text-grey\">Dispon\u00edvel em: https:\/\/catalog.voka.io\/<\/span><\/div>\n<\/div>\n<div class=\"source-item\">\n<p class=\"main-text-semibold text-black\">2.<\/p>\n<div class=\"source-item-content\">\n<p class=\"main-text-semibold text-black\"><cite>Whitley RJ. Herpesviruses (Herpesv\u00edrus) [Internet]. Medical Microbiology \u2013 NCBI Bookshelf; 1996.<\/cite><\/p>\n<p><span class=\"small-text-medium text-grey\">Dispon\u00edvel em: https:\/\/www.ncbi.nlm.nih.gov\/books\/NBK8157\/<\/span><\/div>\n<\/div>\n<div class=\"source-item\">\n<p class=\"main-text-semibold text-black\">3.<\/p>\n<div class=\"source-item-content\">\n<p class=\"main-text-semibold text-black\"><cite>Nguyen AD, Shorman M. Cytomegalovirus infections (Infec\u00e7\u00f5es por citomegalov\u00edrus) [Internet]. StatPearls \u2013 NCBI Bookshelf; 2025. <\/cite><\/p>\n<p><span class=\"small-text-medium text-grey\">Dispon\u00edvel em: https:\/\/www.ncbi.nlm.nih.gov\/books\/NBK459185\/<\/span><\/div>\n<\/div>\n<div class=\"source-item\">\n<p class=\"main-text-semibold text-black\">4.<\/p>\n<div class=\"source-item-content\">\n<p class=\"main-text-semibold text-black\"><cite>Whitley R, Kimberlin DW, Prober CG. Pathogenesis and disease (Patog\u00eanese e doen\u00e7a) [Internet]. Human Herpesviruses \u2013 NCBI Bookshelf; 2007. <\/cite><\/p>\n<p><span class=\"small-text-medium text-grey\">Dispon\u00edvel em: https:\/\/www.ncbi.nlm.nih.gov\/books\/NBK47449\/<\/span><\/div>\n<\/div>\n<div class=\"source-item\">\n<p class=\"main-text-semibold text-black\">5.<\/p>\n<div class=\"source-item-content\">\n<p class=\"main-text-semibold text-black\"><cite>Patil A, Goldust M, Wollina U. Herpes zoster: A Review of Clinical Manifestations and Management (Herpes zoster: uma revis\u00e3o de manifesta\u00e7\u00f5es cl\u00ednicas e manejo) [Internet]. Viruses (V\u00edrus). 2022;14(2):192. <\/cite><\/p>\n<p><span class=\"small-text-medium text-grey\">Dispon\u00edvel em: https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC8876683\/<\/span><\/div>\n<\/div>\n<div class=\"source-item\">\n<p class=\"main-text-semibold text-black\">6.<\/p>\n<div class=\"source-item-content\">\n<p class=\"main-text-semibold text-black\"><cite>Immunize.org. Ask the experts about vaccines: varicella (Chickenpox) (Pergunte aos especialistas sobre vacinas: varicela (Catapora)) | Immunize.org [Internet]; 2025. <\/cite><\/p>\n<p><span class=\"small-text-medium text-grey\">Dispon\u00edvel em: https:\/\/www.immunize.org\/ask-experts\/topic\/varicella\/<\/span><\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"sources-expand-button-wrapper\">\n<div class=\"sources-expand-button\"><svg width=\"32\" height=\"32\" viewbox=\"0 0 32 32\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M8 12L16 20L24 12\" stroke=\"#8C9AAB\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><\/path><\/svg><\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Os herpesv\u00edrus s\u00e3o grandes v\u00edrus envelopados com DNA de dupla h\u00e9lice. Taxonomicamente, a fam\u00edlia Herpesviridae inclui tr\u00eas subfam\u00edlias (Alphaherpesvirinae, Betaherpesvirinae e Gammaherpesvirinae). Mais de 100 herpesv\u00edrus foram identificados em v\u00e1rias esp\u00e9cies de vertebrados, dos quais 9 comprovadamente infectam humanos. Eles causam uma ampla gama de doen\u00e7as, desde les\u00f5es mucocut\u00e2neas (orofaringe, \u00e1rea genital) at\u00e9 graves condi\u00e7\u00f5es [&hellip;]<\/p>\n","protected":false},"author":28,"featured_media":0,"template":"","diseases_category":[436],"class_list":["post-4802","diseases_post","type-diseases_post","status-publish","hentry","diseases_category-doencas-infecciosas"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v25.0 (Yoast SEO v26.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Herpesv\u00edrus: classifica\u00e7\u00e3o, propriedades e tipos de infec\u00e7\u00f5es<\/title>\n<meta name=\"description\" content=\"Caracter\u00edsticas detalhadas da fam\u00edlia Herpesviridae: classifica\u00e7\u00e3o dos tipos 1 a 8, vias de transmiss\u00e3o, mecanismos de lat\u00eancia, diagn\u00f3stico e abordagens terap\u00eauticas.\" \/>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, 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