{"id":23254,"date":"2026-03-06T17:14:41","date_gmt":"2026-03-06T20:14:41","guid":{"rendered":"https:\/\/redelitoralrs.com\/?p=23254"},"modified":"2026-03-06T17:14:48","modified_gmt":"2026-03-06T20:14:48","slug":"vacina-brasileira-contra-dengue-mantem-protecao-por-ate-cinco-anos-aponta-estudo-do-butantan","status":"publish","type":"post","link":"https:\/\/redelitoralrs.com\/index.php\/2026\/03\/06\/vacina-brasileira-contra-dengue-mantem-protecao-por-ate-cinco-anos-aponta-estudo-do-butantan\/","title":{"rendered":"Vacina brasileira contra dengue mant\u00e9m prote\u00e7\u00e3o por at\u00e9 cinco anos, aponta estudo do Butantan"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Um estudo do Instituto Butantan aponta que a vacina brasileira contra a dengue mant\u00e9m efic\u00e1cia por pelo menos cinco anos ap\u00f3s a aplica\u00e7\u00e3o. Os resultados mostram prote\u00e7\u00e3o de <strong>80,5% contra formas graves da doen\u00e7a ou casos com sinais de alerta<\/strong>, sem registros de hospitaliza\u00e7\u00e3o por dengue entre os vacinados durante o per\u00edodo analisado.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">O imunizante <strong>Butantan-DV<\/strong>, aprovado em novembro de 2025 pela Ag\u00eancia Nacional de Vigil\u00e2ncia Sanit\u00e1ria (Anvisa), \u00e9 a <strong>primeira vacina do mundo contra a dengue aplicada em dose \u00fanica<\/strong>. Atualmente, a vacina\u00e7\u00e3o j\u00e1 come\u00e7ou em profissionais de sa\u00fade em diferentes regi\u00f5es do pa\u00eds.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Os dados foram publicados na revista cient\u00edfica Nature Medicine e resultam do acompanhamento de <strong>mais de 16 mil participantes<\/strong>. Cerca de <strong>10 mil pessoas receberam a vacina<\/strong>, enquanto quase <strong>6 mil integraram o grupo de controle com placebo<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">De acordo com o estudo, a efic\u00e1cia geral do imunizante contra a dengue foi de <strong>65%<\/strong>, mas o \u00edndice sobe para <strong>77,1% entre pessoas que j\u00e1 tiveram a doen\u00e7a anteriormente<\/strong>. A an\u00e1lise tamb\u00e9m mostrou maior prote\u00e7\u00e3o entre adolescentes e adultos em compara\u00e7\u00e3o com crian\u00e7as.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Por esse motivo, a Anvisa autorizou inicialmente o uso da vacina em pessoas <strong>entre 12 e 59 anos<\/strong>, apesar de os testes cl\u00ednicos inclu\u00edrem crian\u00e7as a partir dos dois anos de idade. O instituto planeja novos estudos para avaliar a necessidade de refor\u00e7o vacinal em crian\u00e7as e tamb\u00e9m realiza pesquisas envolvendo idosos.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Especialistas destacam ainda o perfil de seguran\u00e7a do imunizante. O acompanhamento de longo prazo n\u00e3o identificou preocupa\u00e7\u00f5es relevantes relacionadas a efeitos adversos, refor\u00e7ando a seguran\u00e7a da vacina.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A expectativa \u00e9 que a produ\u00e7\u00e3o priorize o abastecimento do <strong>Sistema \u00danico de Sa\u00fade (SUS)<\/strong>. Ap\u00f3s atender \u00e0 demanda nacional, o Butantan avalia a possibilidade de disponibilizar doses para outros pa\u00edses, especialmente da Am\u00e9rica Latina, onde a dengue tamb\u00e9m representa um grave problema de sa\u00fade p\u00fablica.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Um estudo do Instituto Butantan aponta que a vacina brasileira contra a dengue mant\u00e9m efic\u00e1cia por pelo menos cinco anos ap\u00f3s a aplica\u00e7\u00e3o. Os resultados mostram prote\u00e7\u00e3o de 80,5% contra formas graves da doen\u00e7a ou casos com sinais de alerta, sem registros de hospitaliza\u00e7\u00e3o por dengue entre os vacinados durante o per\u00edodo analisado. O imunizante [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":23255,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_themeisle_gutenberg_block_has_review":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[246,170,15],"tags":[],"class_list":["post-23254","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-brasil","category-saude","category-noticias"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Vacina brasileira contra dengue mant\u00e9m prote\u00e7\u00e3o por at\u00e9 cinco anos, aponta estudo do Butantan - Rede Litoral RS<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/redelitoralrs.com\/index.php\/2026\/03\/06\/vacina-brasileira-contra-dengue-mantem-protecao-por-ate-cinco-anos-aponta-estudo-do-butantan\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Vacina brasileira contra dengue mant\u00e9m prote\u00e7\u00e3o por at\u00e9 cinco anos, aponta estudo do Butantan - Rede Litoral RS\" \/>\n<meta property=\"og:description\" content=\"Um estudo do Instituto Butantan aponta que a vacina brasileira contra a dengue mant\u00e9m efic\u00e1cia por pelo menos cinco anos ap\u00f3s a aplica\u00e7\u00e3o. Os resultados mostram prote\u00e7\u00e3o de 80,5% contra formas graves da doen\u00e7a ou casos com sinais de alerta, sem registros de hospitaliza\u00e7\u00e3o por dengue entre os vacinados durante o per\u00edodo analisado. 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