{"id":6108,"date":"2025-01-07T11:28:16","date_gmt":"2025-01-07T10:28:16","guid":{"rendered":"https:\/\/helloproject.es\/vigilancia\/estados-unidos-registra-la-primera-muerte-por-gripe-aviar\/"},"modified":"2025-01-07T11:28:16","modified_gmt":"2025-01-07T10:28:16","slug":"estados-unidos-registra-la-primera-muerte-por-gripe-aviar","status":"publish","type":"post","link":"https:\/\/helloproject.es\/vigilancia\/estados-unidos-registra-la-primera-muerte-por-gripe-aviar\/","title":{"rendered":"Estados Unidos registra la primera muerte por gripe aviar"},"content":{"rendered":"

Un paciente de Luisiana, mayor de 65 a\u00f1os y con afecciones m\u00e9dicas preexistentes, se convirti\u00f3 en la primera v\u00edctima mortal por gripe aviar en Estados Unidos, seg\u00fan confirmaron el Departamento de Salud del estado y los Centros para el Control y la Prevenci\u00f3n de Enfermedades (CDC). El hombre contrajo el virus H5N1 tras estar en contacto con aves de corral y silvestres.<\/p>\n

Desde abril de 2024, casi 70 personas han contra\u00eddo el virus H5N1 en Estados Unidos, la mayor\u00eda trabajadores agr\u00edcolas expuestos a aves infectadas.<\/p>\n

Los CDC han identificado mutaciones en el gen de la hemaglutinina del virus, presentes \u00fanicamente en este paciente y no en las aves de corral foco del contagio<\/p>\n

Sin embargo, los expertos consideran que el riesgo de transmisi\u00f3n al p\u00fablico general sigue siendo bajo. Este brote, iniciado en aves en 2022, ha provocado la muerte de casi 130 millones de aves silvestres y dom\u00e9sticas, as\u00ed como infecciones en 917 reba\u00f1os lecheros, seg\u00fan datos de los CDC y el Departamento de Agricultura.<\/p>\n

<\/a><\/p>\n

Primer paciente con s\u00edntomas graves<\/h2>\n

El paciente fallecido fue hospitalizado el 18 de diciembre tras presentar s\u00edntomas graves relacionados con la infecci\u00f3n. Los CDC identificaron mutaciones en el gen de la hemaglutinina del virus, presentes \u00fanicamente en este paciente y no en las aves de corral foco del contagio. Estas mutaciones surgieron durante la replicaci\u00f3n viral en el organismo, lo que evidencia la capacidad del virus para adaptarse al hu\u00e9sped humano.<\/p>\n

Pese a la gravedad de este caso, las autoridades sanitarias insisten en que la gripe aviar sigue siendo una enfermedad de bajo riesgo para la poblaci\u00f3n general<\/p>\n

Aunque las mutaciones observadas no se consideran altamente transmisibles entre humanos, los cient\u00edficos advierten que ser\u00edan m\u00e1s preocupantes si se detectaran en etapas iniciales de la infecci\u00f3n o en hu\u00e9spedes animales. En ese caso, podr\u00eda facilitarse la propagaci\u00f3n del virus a contactos cercanos, aumentando el riesgo de transmisi\u00f3n comunitaria.<\/p>\n

A pesar de la gravedad de este caso, las autoridades sanitarias insisten en que la gripe aviar sigue siendo una enfermedad de bajo riesgo para la poblaci\u00f3n general. Sin embargo, destacan la importancia de la vigilancia gen\u00f3mica para monitorizar posibles cambios en el virus que puedan incrementar su transmisibilidad.<\/p>","protected":false},"excerpt":{"rendered":"

Un paciente de Luisiana, mayor de 65 a\u00f1os y con afecciones m\u00e9dicas preexistentes, se convirti\u00f3 en la primera v\u00edctima mortal por gripe aviar en Estados Unidos, seg\u00fan confirmaron el Departamento de Salud del estado y los Centros para el Control y la Prevenci\u00f3n de Enfermedades (CDC). El hombre contrajo el virus H5N1 tras estar en […]<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[5],"tags":[],"class_list":["post-6108","post","type-post","status-publish","format-standard","hentry","category-noticias"],"yoast_head":"\nEstados Unidos registra la primera muerte por gripe aviar - bip4ex<\/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:\/\/helloproject.es\/vigilancia\/estados-unidos-registra-la-primera-muerte-por-gripe-aviar\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Estados Unidos registra la primera muerte por gripe aviar\" \/>\n<meta property=\"og:description\" content=\"Un paciente de Luisiana, mayor de 65 a\u00f1os y con afecciones m\u00e9dicas preexistentes, se convirti\u00f3 en la primera v\u00edctima mortal por gripe aviar en Estados Unidos, seg\u00fan confirmaron el Departamento de Salud del estado y los Centros para el Control y la Prevenci\u00f3n de Enfermedades (CDC). 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