{"id":27119,"date":"2026-09-21T20:04:51","date_gmt":"2026-09-21T23:04:51","guid":{"rendered":"https:\/\/fmpatagoniamadryn.com.ar\/?p=27119"},"modified":"2026-09-21T20:04:51","modified_gmt":"2026-09-21T23:04:51","slug":"alerta-por-una-nueva-variante-de-covid-en-argentina-que-cambia-con-ba-3-2","status":"publish","type":"post","link":"https:\/\/fmpatagoniamadryn.com.ar\/?p=27119","title":{"rendered":"Alerta por una nueva variante de COVID en Argentina: qu\u00e9 cambia con BA.3.2"},"content":{"rendered":"\n<p class=\"p3 wp-block-paragraph\"><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Tres casos fueron detectados en la provincia de Buenos Aires<\/strong><\/h2>\n\n\n\n<p class=\"p3 wp-block-paragraph\">Los casos corresponden a personas residentes en la provincia de Buenos Aires y las muestras fueron tomadas entre el 26 de abril y el 18 de julio. Durante ese per\u00edodo se secuenciaron 21 genomas y tres de ellos, equivalentes al 14%, correspondieron a BA.3.2.<\/p>\n\n\n\n<p class=\"p3 wp-block-paragraph\">Uno de los pacientes requiri\u00f3 internaci\u00f3n debido a comorbilidades previas, mientras que todos evolucionaron favorablemente.<\/p>\n\n\n\n<p class=\"p3 wp-block-paragraph\">El Bolet\u00edn Epidemiol\u00f3gico Nacional clasific\u00f3 a BA.3.2 como una <strong>Variante Bajo Monitoreo<\/strong>, en l\u00ednea con la clasificaci\u00f3n de la Organizaci\u00f3n Mundial de la Salud (OMS). Hasta el momento, no se encontr\u00f3 evidencia de que provoque una enfermedad m\u00e1s grave que otros linajes recientes.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Una variante con mayor escape inmunol\u00f3gico<\/strong><\/h2>\n\n\n\n<p class=\"p3 wp-block-paragraph\">Uno de los principales aspectos que genera inter\u00e9s es la capacidad de BA.3.2 para evadir parcialmente la respuesta inmunol\u00f3gica generada frente a variantes anteriores.<\/p>\n\n\n\n<p class=\"p3 wp-block-paragraph\">La variante presenta m\u00faltiples mutaciones y, seg\u00fan la evaluaci\u00f3n de la OMS, es antig\u00e9nicamente distinta de los linajes que dominaron la circulaci\u00f3n durante el \u00faltimo per\u00edodo. Esto significa que los anticuerpos generados frente a variantes anteriores pueden presentar una menor capacidad de neutralizaci\u00f3n.<\/p>\n\n\n\n<p class=\"p3 wp-block-paragraph\">Sin embargo, esta caracter\u00edstica no implica necesariamente una p\u00e9rdida de protecci\u00f3n frente a las formas graves de la enfermedad.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Qu\u00e9 se sabe sobre las vacunas y ARVAC<\/strong><\/h2>\n\n\n\n<p class=\"p3 wp-block-paragraph\">La aparici\u00f3n de BA.3.2 tambi\u00e9n volvi\u00f3 a poner el foco sobre ARVAC, la vacuna contra el COVID-19 desarrollada en Argentina.<\/p>\n\n\n\n<p class=\"p3 wp-block-paragraph\">Aunque existe evidencia de un menor nivel de neutralizaci\u00f3n frente a esta variante en comparaci\u00f3n con linajes anteriores, los especialistas remarcan que las vacunas contin\u00faan ofreciendo protecci\u00f3n frente a cuadros graves.<\/p>\n\n\n\n<p class=\"p3 wp-block-paragraph\">El principal interrogante ahora est\u00e1 relacionado con la evoluci\u00f3n de BA.3.2: si logra combinar su capacidad de escape inmunol\u00f3gico con una expansi\u00f3n significativa en la poblaci\u00f3n.<\/p>\n\n\n\n<p class=\"p4 wp-block-paragraph\">Por el momento, las autoridades sanitarias no informaron cambios en las recomendaciones y la situaci\u00f3n permanece bajo vigilancia epidemiol\u00f3gica.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>La detecci\u00f3n de tres casos de la variante BA.3.2 volvi\u00f3 a poner bajo seguimiento la evoluci\u00f3n del COVID-19 en Argentina. Por el momento, no existen indicios de que este linaje genere cuadros m\u00e1s graves, aunque presenta caracter\u00edsticas que mantienen en alerta a los especialistas.<\/p>\n","protected":false},"author":4,"featured_media":27118,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[189],"tags":[964,965],"class_list":["post-27119","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-salud","tag-covid","tag-variante"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Alerta por una nueva variante de COVID en Argentina: qu\u00e9 cambia con BA.3.2 - FM Patagonia Madryn<\/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:\/\/fmpatagoniamadryn.com.ar\/?p=27119\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Alerta por una nueva variante de COVID en Argentina: qu\u00e9 cambia con BA.3.2 - FM Patagonia Madryn\" \/>\n<meta property=\"og:description\" content=\"La detecci\u00f3n de tres casos de la variante BA.3.2 volvi\u00f3 a poner bajo seguimiento la evoluci\u00f3n del COVID-19 en Argentina. 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