{"id":11686,"date":"2021-05-13T13:02:48","date_gmt":"2021-05-13T18:02:48","guid":{"rendered":"http:\/\/liceaga.facmed.unam.mx\/revistas\/masalud\/?p=11686"},"modified":"2025-09-26T17:26:03","modified_gmt":"2025-09-26T23:26:03","slug":"vacunas-contra-sars-cov-2","status":"publish","type":"post","link":"https:\/\/massalud.facmed.unam.mx\/index.php\/vacunas-contra-sars-cov-2\/","title":{"rendered":"Vacunas COVID-19 \u00bfQu\u00e9 son y c\u00f3mo funcionan?"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" data-attachment-id=\"11687\" data-permalink=\"https:\/\/massalud.facmed.unam.mx\/index.php\/vacunas-contra-sars-cov-2\/whatsapp-image-2021-05-07-at-17-13-23-2\/\" data-orig-file=\"https:\/\/massalud.facmed.unam.mx\/wp-content\/uploads\/2021\/05\/WhatsApp-Image-2021-05-07-at-17.13.23-2.jpeg\" data-orig-size=\"905,1280\" data-comments-opened=\"0\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"vacunas covid\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/massalud.facmed.unam.mx\/wp-content\/uploads\/2021\/05\/WhatsApp-Image-2021-05-07-at-17.13.23-2-724x1024.jpeg\" class=\"aligncenter wp-image-11687 size-full\" src=\"http:\/\/liceaga.facmed.unam.mx\/revistas\/masalud\/wp-content\/uploads\/2021\/05\/WhatsApp-Image-2021-05-07-at-17.13.23-2.jpeg\" alt=\"\" width=\"905\" height=\"1280\" srcset=\"http:\/\/liceaga.facmed.unam.mx\/revistas\/masalud\/wp-content\/uploads\/2021\/05\/WhatsApp-Image-2021-05-07-at-17.13.23-2.jpeg 905w, http:\/\/liceaga.facmed.unam.mx\/revistas\/masalud\/wp-content\/uploads\/2021\/05\/WhatsApp-Image-2021-05-07-at-17.13.23-2-480x679.jpeg 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) 905px, 100vw\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" data-attachment-id=\"11689\" data-permalink=\"https:\/\/massalud.facmed.unam.mx\/index.php\/vacunas-contra-sars-cov-2\/whatsapp-image-2021-05-07-at-17-13-24-4\/\" data-orig-file=\"https:\/\/massalud.facmed.unam.mx\/wp-content\/uploads\/2021\/05\/WhatsApp-Image-2021-05-07-at-17.13.24-4.jpeg\" data-orig-size=\"905,1280\" data-comments-opened=\"0\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"vacunas covid\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/massalud.facmed.unam.mx\/wp-content\/uploads\/2021\/05\/WhatsApp-Image-2021-05-07-at-17.13.24-4-724x1024.jpeg\" class=\"aligncenter wp-image-11689 size-full\" src=\"http:\/\/liceaga.facmed.unam.mx\/revistas\/masalud\/wp-content\/uploads\/2021\/05\/WhatsApp-Image-2021-05-07-at-17.13.24-4.jpeg\" alt=\"\" width=\"905\" height=\"1280\" srcset=\"http:\/\/liceaga.facmed.unam.mx\/revistas\/masalud\/wp-content\/uploads\/2021\/05\/WhatsApp-Image-2021-05-07-at-17.13.24-4.jpeg 905w, http:\/\/liceaga.facmed.unam.mx\/revistas\/masalud\/wp-content\/uploads\/2021\/05\/WhatsApp-Image-2021-05-07-at-17.13.24-4-480x679.jpeg 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) 905px, 100vw\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" data-attachment-id=\"11690\" data-permalink=\"https:\/\/massalud.facmed.unam.mx\/index.php\/vacunas-contra-sars-cov-2\/vacunas-2\/\" data-orig-file=\"https:\/\/massalud.facmed.unam.mx\/wp-content\/uploads\/2021\/05\/vacunas-2.jpg\" data-orig-size=\"905,1280\" data-comments-opened=\"0\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;1&quot;}\" data-image-title=\"vacunas covid\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/massalud.facmed.unam.mx\/wp-content\/uploads\/2021\/05\/vacunas-2-724x1024.jpg\" class=\"aligncenter wp-image-11690 size-full\" src=\"http:\/\/liceaga.facmed.unam.mx\/revistas\/masalud\/wp-content\/uploads\/2021\/05\/vacunas-2.jpg\" alt=\"\" width=\"905\" height=\"1280\" srcset=\"http:\/\/liceaga.facmed.unam.mx\/revistas\/masalud\/wp-content\/uploads\/2021\/05\/vacunas-2.jpg 905w, http:\/\/liceaga.facmed.unam.mx\/revistas\/masalud\/wp-content\/uploads\/2021\/05\/vacunas-2-480x679.jpg 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) 905px, 100vw\" \/><\/p>\n<p><strong>\u00bfQu\u00e9 es una vacuna?<\/strong><\/p>\n<p>Una vacuna es un microbio al que se le quita la capacidad de causar la enfermedad o una parte del microbio que al introducirse en el cuerpo produce una respuesta de defensa en contra de ese microbio, y \u00e9sta consiste en la producci\u00f3n de anticuerpos y c\u00e9lulas de memoria espec\u00edficas contra el microbio.<\/p>\n<p>La mayor\u00eda de las vacunas contra COVID-19 est\u00e1n dise\u00f1adas para producir una respuesta en contra la prote\u00edna S del virus SARS-CoV-2, porque \u00e9sta prote\u00edna es por donde se pega el virus a la c\u00e9lula.<\/p>\n<p><strong>Tipos de vacunas:<\/strong><\/p>\n<ol>\n<li><strong>Vacunas de RNA mensajero<\/strong>. Se introduce el RNA en la c\u00e9lula, le da la instrucci\u00f3n para que produzca la prote\u00edna S del SARS CoV2 y se produce una respuesta inmune.<br \/>\n<strong>Vacunas actualmente utilizadas con esta plataforma<\/strong>: Pfizer y Moderna.<\/li>\n<li><strong>Vacunas de vectores virales. <\/strong>Un virus diferente que no produce enfermedad lleva la informaci\u00f3n gen\u00e9tica a una c\u00e9lula para que \u00e9sta produzca la prote\u00edna S y se produce una respuesta inmune.<br \/>\n<strong>Vacunas actualmente utilizadas con esta plataforma:<\/strong> Astra Zeneca, Sputnik V (Instituto de Gamaleya), Cansino, Janssen y la vacuna mexicana que inicia la fase 1 en abril del 2021 llamada Patria (Avimex).<\/li>\n<li><strong>Vacunas de virus completo. <\/strong>El virus se aten\u00faa o se inactiva, \u00e9ste se inyecta, produce una respuesta inmune pero no causa la enfermedad.<br \/>\n<strong>Vacunas actualmente utilizadas con esta plataforma:<\/strong> Coronavac (Sinovac), Covaxin (Bharat Biotech), Sinopharm.<\/li>\n<li><strong>Vacunas de prote\u00ednas.<\/strong> Se produce la prote\u00edna S en forma sint\u00e9tica o se produce la capa externa del virus sin los componentes internos, se inyectan las prote\u00ednas para que se de la respuesta inmune de defensa.<br \/>\n<strong>Vacunas en fase 3:<\/strong> Novavax<\/li>\n<\/ol>\n<p><strong>\u00bfQu\u00e9 es la eficacia y la efectividad de una vacuna?<\/strong><\/p>\n<p>La eficacia es la probabilidad de una vacuna de disminuir el riesgo de presentar la enfermedad en un estudio cl\u00ednico controlado. La efectividad de una vacuna es la probabilidad de una vacuna de disminuir el riesgo de presentar la enfermedad en la vida real.<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<div>.<\/div>\n<div><\/div>\n<div><\/div>\n<div><\/div>\n<div><\/div>\n<div>.<\/div>\n","protected":false},"excerpt":{"rendered":"<p>La eficacia es la probabilidad de una vacuna de disminuir el riesgo de presentar la enfermedad en un estudio cl\u00ednico controlado. La efectividad de una vacuna es la probabilidad de una vacuna de disminuir el riesgo de presentar la enfermedad en la vida real.<\/p>\n","protected":false},"author":1,"featured_media":11691,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[12],"tags":[112,1854,1716,1751,1800,631,851],"class_list":["post-11686","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-descubrir","tag-adn","tag-arn","tag-coronavirus-covid19","tag-covid","tag-sars-cov-2-2","tag-vacuna","tag-virus"],"acf":false,"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Vacunas COVID-19 \u00bfQu\u00e9 son y c\u00f3mo funcionan? - +Salud FacMed<\/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:\/\/massalud.facmed.unam.mx\/index.php\/vacunas-contra-sars-cov-2\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Vacunas COVID-19 \u00bfQu\u00e9 son y c\u00f3mo funcionan? - +Salud FacMed\" \/>\n<meta property=\"og:description\" content=\"La eficacia es la probabilidad de una vacuna de disminuir el riesgo de presentar la enfermedad en un estudio cl\u00ednico controlado. 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