{"id":12379,"date":"2021-12-07T15:44:15","date_gmt":"2021-12-07T15:44:15","guid":{"rendered":"https:\/\/nhcoa.org\/es\/?p=12379"},"modified":"2021-12-07T15:44:15","modified_gmt":"2021-12-07T15:44:15","slug":"cual-es-la-diferencia-entre-una-mutacion-una-variante-y-la-cepa-del-covid-19","status":"publish","type":"post","link":"https:\/\/nhcoa.org\/es\/cual-es-la-diferencia-entre-una-mutacion-una-variante-y-la-cepa-del-covid-19\/","title":{"rendered":"\u00bfCu\u00e1l es la diferencia entre una mutaci\u00f3n, una variante y la cepa del COVID-19?"},"content":{"rendered":"\n<p style=\"text-align: justify;\">Para entenderlo, primero es necesario subrayar que el SARS-CoV-2 es una de las diferentes cepas de los coronavirus. Los coronavirus (CoV) son una amplia familia de virus que pueden causar diversas afecciones, desde el resfriado com\u00fan hasta enfermedades m\u00e1s graves, como ocurre con el coronavirus causante del s\u00edndrome respiratorio de Oriente Medio (MERS-CoV) y el que ocasiona el s\u00edndrome respiratorio agudo severo (SRAS-CoV).<\/p>\n<p style=\"text-align: justify;\">Un nuevo coronavirus (CoV) es una nueva cepa de coronavirus que no \u200ese hab\u00eda identificado previamente en el ser humano. El nuevo \u200ecoronavirus, que ahora se conoce con el nombre de 2019-nCoV o COVID-19, no se \u200ehab\u00eda detectado antes de que se notificara el brote en Wuhan (China) \u200een diciembre de 2019.\u200e<\/p>\n<p style=\"text-align: justify;\">Ahora bien, como lo han explicado los expertos, todos los virus mutan constantemente, a diferente ritmo y con diferentes repercusiones. Conforme se dan los contagios, se van dando \u201cerrores\u201d en el copiado y entonces ocurren las mutaciones o cambios en el c\u00f3digo gen\u00e9tico de los virus, como el que provoca COVID-19. Al realizar la secuenciaci\u00f3n gen\u00e9tica o an\u00e1lisis del virus, a partir de las muestras tomadas en diferentes regiones del mundo, es que los cient\u00edficos identifican ciertas caracter\u00edsticas por las que dichas mutaciones pueden agruparse en linajes.<\/p>\n<p style=\"text-align: justify;\">Cada una de las ramas que surgen directamente del SARS-CoV-2 son denominados linajes, a los que se les designa con una serie de n\u00fameros y una letra del abecedario, para identificarlos, considerando su orden de aparici\u00f3n y su composici\u00f3n gen\u00e9tica. Entonces, es correcto decir que un linaje es una variante del virus.<\/p>\n<p style=\"text-align: justify;\">En el caso preciso de la nueva variante descubierta en Sud\u00e1frica, conocida como \u00f3mnicron, que tiene el mayor n\u00famero de mutaciones que se ha visto hasta la fecha, en la prote\u00edna spike, clave para la entrada del virus en el organismo, los investigadores observaron m\u00e1s de 30 mutaciones, una marcada diferencia con respecto a las otras variantes consideradas preocupantes previamente.<\/p>\n<p style=\"text-align: justify;\">Sin embargo, es a\u00fan impreciso hablar sobre ser\u00e1 su efecto en la salud p\u00fablica, y especialmente en personas vacunadas considerando que las vacunas desarrolladas hasta ahora son a\u00fan de utilidad para enfrentar el virus, y evitar m\u00e1s casos de muertes por COVID.<\/p>\n<p>\u00a0<\/p>\n<p><strong>Fuente:<\/strong><\/p>\n<p><a href=\"https:\/\/www.paho.org\/es\/temas\/coronavirus\">PAHO<\/a><\/p>\n<p><a href=\"https:\/\/www.bbc.com\/mundo\/noticias-55676577\">BBC<\/a><\/p>\n<p><a href=\"https:\/\/www.france24.com\/es\/minuto-a-minuto\/20211129-lo-que-se-sabe-de-la-variante-%C3%B3micron\">FRANCE 24<\/a><\/p>\n<p>\u00a0<\/p>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":12380,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","cybocfi_hide_featured_image":"","footnotes":""},"categories":[9,5],"tags":[19],"class_list":["post-12379","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","category-media-center","tag-covid-19"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>\u00bfCu\u00e1l es la diferencia entre una mutaci\u00f3n, una variante y la cepa del COVID-19? 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