{"id":71949,"date":"2025-05-27T14:33:43","date_gmt":"2025-05-27T14:33:43","guid":{"rendered":"https:\/\/ferabrajan.com\/portal\/?p=71949"},"modified":"2025-05-27T14:33:55","modified_gmt":"2025-05-27T14:33:55","slug":"autoridades-confirman-nueva-variante-de-covid-nb-1-8-1-que-se-sabe-sobre-sus-sintomas","status":"publish","type":"post","link":"https:\/\/ferabrajan.com\/portal\/2025\/05\/27\/autoridades-confirman-nueva-variante-de-covid-nb-1-8-1-que-se-sabe-sobre-sus-sintomas\/","title":{"rendered":"Autoridades confirman nueva variante de COVID NB.1.8.1: qu\u00e9 se sabe sobre sus s\u00edntomas"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">La incertidumbre vuelve a colarse en las conversaciones cotidianas: confirman<strong>&nbsp;nueva variante de Covid NB.1.8.1, una mutaci\u00f3n reciente<\/strong>&nbsp;que ya despierta alarmas entre las autoridades sanitarias y desata titulares por su velocidad de transmisi\u00f3n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Mientras el mundo trata de rehacer sus rutinas tras a\u00f1os de&nbsp;<strong>pandemia<\/strong>, esta nueva variante emerge como una sombra que amenaza la tan anhelada estabilidad. NB.1.8.1 no solo es un c\u00f3digo m\u00e1s en la larga lista de mutaciones; es una se\u00f1al de que el virus a\u00fan no ha dicho su \u00faltima palabra.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">eportes recientes, el linaje NB.1.8.1 fue identificado en viajeros provenientes de China, y ha empezado a circular en varias regiones de Estados Unidos. La falta de transparencia por parte del gobierno chino sobre su propagaci\u00f3n ha despertado preocupaciones globales, mientras los<em>&nbsp;Centros para el Control y la Prevenci\u00f3n de Enfermedades (CDC) y la Organizaci\u00f3n Mundial de la Salud (OMS)<\/em>&nbsp;comienzan a emitir sus primeros informes sobre su alcance y riesgos.<img decoding=\"async\" src=\"https:\/\/img-s-msn-com.akamaized.net\/tenant\/amp\/entityid\/AA1FwbmN.img?w=768&amp;h=576&amp;m=6\" alt=\"Confirman nueva variante de Covid NB.1.8.1 Foto Organizaci\u00f3n Mundial de la Salud\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Confirman nueva variante de Covid NB.1.8.1 Foto Organizaci\u00f3n Mundial de la Salud<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u00bfQu\u00e9 es la variante NB.1.8.1 y d\u00f3nde se detect\u00f3?<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">La nueva variante COVID 2025, conocida como<strong>&nbsp;NB.1.8.1, es una subvariante del linaje \u00d3micron<\/strong>, que ha demostrado una notable capacidad de evasi\u00f3n inmunol\u00f3gica y un ritmo de transmisi\u00f3n que comienza a preocupar a la comunidad m\u00e9dica.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Detectada por primera vez en viajeros que llegaron a Estados Unidos desde China, su r\u00e1pida aparici\u00f3n ha dejado entrever un posible subregistro o incluso una contenci\u00f3n de informaci\u00f3n por parte del pa\u00eds asi\u00e1tico.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Aunque los investigadores a\u00fan no definen su perfil completo, ya se observan<strong>&nbsp;patrones similares a mutaciones anteriores como BA.2.86,<\/strong>&nbsp;pero con peque\u00f1as alteraciones en la prote\u00edna&nbsp;<em>Spike&nbsp;<\/em>que podr\u00edan implicar una mayor infectividad. Esta variante no solo ha surgido en un contexto de menor vigilancia global, sino que lo ha hecho justo cuando muchos pa\u00edses han desmantelado sus sistemas de detecci\u00f3n temprana.<img decoding=\"async\" src=\"https:\/\/img-s-msn-com.akamaized.net\/tenant\/amp\/entityid\/AA1FvZWk.img?w=768&amp;h=576&amp;m=6\" alt=\"Confirman nueva variante de Covid NB.1.8.1 Foto Canva \"><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>S\u00edntomas asociados a la NB.1.8.1 seg\u00fan autoridades sanitarias<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Los s\u00edntomas de la variante NB.1.8.1, seg\u00fan CBS News, no difieren demasiado de las versiones m\u00e1s recientes del virus, pero presentan una intensidad leve a moderada con una duraci\u00f3n prolongada. Entre los principales signos se encuentran:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Dolor de garganta persistente<\/li>\n\n\n\n<li>Fatiga extrema<\/li>\n\n\n\n<li>Tos seca y continua<\/li>\n\n\n\n<li>Congesti\u00f3n nasal y cefalea<\/li>\n\n\n\n<li>P\u00e9rdida del apetito<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Lo que ha llamado la atenci\u00f3n de los m\u00e9dicos es el<strong>&nbsp;retorno de ciertos s\u00edntomas gastrointestinales&nbsp;<\/strong>y de una&nbsp;<strong>fiebre intermitente,<\/strong>&nbsp;que no siempre aparece en las primeras etapas. Algunos pacientes reportan una fatiga que se extiende por m\u00e1s de dos semanas, lo que sugiere una reactivaci\u00f3n de cuadros similares a los de Covid persistente.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">La mayor\u00eda de los casos hasta ahora han sido leves, pero los expertos advierten que el verdadero impacto podr\u00eda observarse en personas inmunocomprometidas y adultos mayores, como ha sucedido con anteriores variantes.<img decoding=\"async\" src=\"https:\/\/img-s-msn-com.akamaized.net\/tenant\/amp\/entityid\/AA1FvXdh.img?w=768&amp;h=576&amp;m=6\" alt=\"Confirman nueva variante de Covid NB.1.8.1 Foto Canva \"><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u00bfQu\u00e9 dicen la OMS y los CDC sobre esta nueva mutaci\u00f3n?<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">La OMS ha emitido una alerta preventiva en torno a NB.1.8.1, categoriz\u00e1ndola como una<strong>&nbsp;\u201cvariante bajo vigilancia\u201d&nbsp;<\/strong>debido a su comportamiento gen\u00e9tico y a la r\u00e1pida expansi\u00f3n reportada en algunos estados de EE. UU., como California y Nueva York. Aunque a\u00fan no se la considera \u201cde preocupaci\u00f3n\u201d, su an\u00e1lisis gen\u00f3mico revela mutaciones que ameritan un monitoreo continuo.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Medidas de prevenci\u00f3n recomendadas ante la variante NB.1.8.1<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">En este contexto, las autoridades recomiendan medidas contra NB.1.8.1 similares a las adoptadas en etapas anteriores de la pandemia. Estas incluyen:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Uso de mascarillas en espacios cerrados o con poca ventilaci\u00f3n<\/li>\n\n\n\n<li>Lavado frecuente de manos y uso de gel antibacterial<\/li>\n\n\n\n<li>Aislamiento en caso de s\u00edntomas compatibles con COVID-19<\/li>\n\n\n\n<li>Ventilaci\u00f3n adecuada en espacios cerrados<\/li>\n\n\n\n<li>Refuerzo con vacunas actualizadas, especialmente en grupos de riesgo<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Con Informaci\u00f3n de:<a href=\"https:\/\/www.msn.com\/es-mx\/salud\/other\/autoridades-confirman-nueva-variante-de-covid-nb-1-8-1-qu%C3%A9-se-sabe-sobre-sus-s%C3%ADntomas-riesgos-y-propagaci%C3%B3n\/ar-AA1FvXdu?ocid=msedgntp&amp;pc=U531&amp;cvid=8a9d34a2465043e4a8431275dfdcbab0&amp;ei=27\">Autoridades confirman nueva variante de COVID NB.1.8.1: qu\u00e9 se sabe sobre sus s\u00edntomas, riesgos y propagaci\u00f3n<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Los fabricantes de vacunas como Pfizer y Moderna ya eval\u00faan si ser\u00e1 necesario modificar sus f\u00f3rmulas para incluir esta subvariante en sus pr\u00f3ximos lotes de refuerzo<\/p>\n","protected":false},"author":1,"featured_media":71950,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_uf_show_specific_survey":0,"_uf_disable_surveys":false,"footnotes":""},"categories":[36,585],"tags":[1736,2699],"class_list":["post-71949","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-el-mundo","category-principal","tag-oms","tag-variante-de-covid"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Autoridades confirman nueva variante de COVID NB.1.8.1: qu\u00e9 se sabe sobre sus 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