{"id":11715,"date":"2021-08-26T10:00:03","date_gmt":"2021-08-26T15:00:03","guid":{"rendered":"https:\/\/backup.primeaction.com\/sp\/?p=11715"},"modified":"2021-08-18T13:59:51","modified_gmt":"2021-08-18T18:59:51","slug":"tercera-dosis-de-pfizer-tiene-86-de-efectividad-en-mayores-de-60-estudio","status":"publish","type":"post","link":"https:\/\/backup.primeaction.com\/sp\/tercera-dosis-de-pfizer-tiene-86-de-efectividad-en-mayores-de-60-estudio\/","title":{"rendered":"Tercera dosis de Pfizer tiene 86% de efectividad en mayores de 60: estudio"},"content":{"rendered":"

Una tercera dosis de la vacuna contra Covid-19 de Pfizer\/BioNTech tiene una efectividad del 86% en personas mayores de 60 a\u00f1os, inform\u00f3 esta tarde un proveedor de atenci\u00f3n m\u00e9dica israel\u00ed, citando resultados iniciales a partir de un estudio realizado con miles de participantes.<\/p>\n

A trav\u00e9s de un estudio, Servicios de Salud Maccabi, que atiende a una cuarta parte de los 9.3 millones de habitantes de Israel, compar\u00f3 los resultados de 149,144 personas mayores de 60 a\u00f1os que recibieron su tercera dosis hace al menos una semana con las de 675,630 m\u00e1s que hab\u00edan recibido s\u00f3lo dos dosis, entre enero y febrero.<\/p>\n

En este sentido, la investigaci\u00f3n afirma que 37 personas dieron positivo por coronavirus despu\u00e9s de su tercer pinchazo, en comparaci\u00f3n con 1,064 casos positivos entre los que hab\u00edan recibido s\u00f3lo dos dosis, dijo la organizaci\u00f3n en un comunicado.<\/p>\n

Asimismo, se agreg\u00f3 que los grupos de comparaci\u00f3n ten\u00edan perfiles demogr\u00e1ficos similares.<\/p>\n

El organismo no proporcion\u00f3 ninguna informaci\u00f3n sobre la gravedad de los 37 casos positivos, o si ten\u00edan alguna condici\u00f3n subyacente.<\/p>\n

En la misma l\u00ednea, Pfizer ha dicho que la eficacia de su vacuna disminuye con el tiempo y que una tercera dosis mostr\u00f3 anticuerpos neutralizantes significativamente m\u00e1s altos contra el virus SARS-CoV-2 inicial, como contra las variantes Beta y Delta.<\/p>\n

Israel comenz\u00f3 a administrar la tercera dosis de Pfizer el mes pasado para enfrentar un aumento en las infecciones locales impulsadas por la variante Delta. Unos 1.1 millones de israel\u00edes elegibles (personas mayores de 50 a\u00f1os, trabajadores de la salud y otros) han recibido su tercera dosis.<\/p>\n

Se espera que Estados Unidos y varios pa\u00edses europeos comiencen a ofrecer refuerzos a los ancianos y personas con sistemas inmunol\u00f3gicos d\u00e9biles, y algunos est\u00e1n considerando si hacer una distribuci\u00f3n m\u00e1s general de una tercera dosis.<\/p>\n

No obstante, a los funcionarios de salud israel\u00edes les preocupa que los casos sigan aumentando dado que otros 1.1 millones de israel\u00edes, alrededor del 11% de la poblaci\u00f3n, siguen sin vacunar. Los casos graves tambi\u00e9n han seguido aumentando, sobre todo entre los no vacunados.<\/p>\n

Los datos del Ministerio de Salud publicados en estas horas, basados en datos por cada 100,000 personas, mostraron 172 casos graves entre personas no vacunadas mayores de 60 a\u00f1os, en comparaci\u00f3n con 21 casos graves entre personas vacunadas en el mismo grupo de edad.<\/p>\n

La doctora Anat Ekka Zohar, de Servicios de Salud Maccabi, dijo que la tercera dosis \u201cha vuelto a demostrar su eficacia\u201d y ha \u201cdemostrado protecci\u00f3n (contra) la variante Delta\u201d.<\/p>\n

\u201cLa dosis triple es la soluci\u00f3n para frenar el actual brote de infecci\u00f3n\u201d, sostuvo la profesional.<\/p>\n","protected":false},"excerpt":{"rendered":"

Al analizar a m\u00e1s de 149 mil mayores de 60 a\u00f1os que recibieron la tercera dosis de Pfizer, expertos ratificaron eficacia en la protecci\u00f3n.<\/p>\n","protected":false},"author":10,"featured_media":11718,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"single-post.php","format":"standard","meta":{"_eb_attr":"","site-sidebar-layout":"default","site-content-layout":"default","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":"default","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":"","background-image":"","background-repeat":"repeat","background-position":"center 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