\n
<\/p> \n
Una subvariante de \u00f3micron<\/b>, que seg\u00fan algunos estudios podr\u00eda ser m\u00e1s contagiosa que la original, ha sido detectada en 57 pa\u00edses<\/b>, inform\u00f3 este martes la Organizaci\u00f3n Mundial de la Salud (OMS). <\/p> \n
(Lea: La mitad del mundo ya estar\u00eda completamente vacunada contra el covid). <\/p> \n
La variante del coronavirus \u00f3micron, que se propaga y muta r\u00e1pidamente, se hizo ya dominante en el mundo tras ser detectada por primera vez en el sur de \u00c1frica <\/b>hace diez semanas. <\/p> \n
En su bolet\u00edn epidemiol\u00f3gico semanal, la OMS<\/b> explica que esta variante, que representa m\u00e1s del 93% de todas las muestras de coronavirus recogidas durante el mes pasado, tiene varias subvariantes: BA.1, BA.1.1, BA.2 y BA.3. Las BA.1 y BA.1.1 -las primeras versiones identificadas- siguen representando m\u00e1s del 96% de las secuencias de \u00f3micron cargadas en la base de datos global GISAID. <\/p> \n
(Lea: Por qu\u00e9 la OMS considera prematuro hablar de victorias contra el covid). <\/p> \n
Sin embargo, hay un notable aumento en el n\u00famero de casos relacionados con la BA.2<\/b>, que presenta varias mutaciones que difieren de la versi\u00f3n original, especialmente en la prote\u00edna spike que marca la superficie del virus y es esencial para la entrada en las c\u00e9lulas humanas. <\/p> \n
“Hasta la fecha, 57 pa\u00edses han enviado al GISAID las secuencias designadas como BA.2<\/i>“, subray\u00f3 la OMS, agregando que, en algunos pa\u00edses, esa subvariante representaba ahora m\u00e1s de la mitad de las secuencias de \u00f3micron recogidas. <\/p> \n
(Lea: Estos son los f\u00e1rmacos que podr\u00edan frenar la mortalidad del covid-19). <\/p> \n
La organizaci\u00f3n sanitaria se\u00f1ala que se sabe todav\u00eda poco sobre las diferencias entre las subvariantes y pidi\u00f3 que se realicen estudios sobre sus caracter\u00edsticas, especialmente su transmisibilidad, su capacidad de esquivar la protecci\u00f3n inmunitaria y su virulencia. <\/p> \n
Varios estudios recientes dan a entender que BA.2 es m\u00e1s contagiosa que la \u00f3micron<\/b> original<\/b>. Maria Van Kerkhove, una de las principales expertas de la OMS sobre el covid, declar\u00f3 el martes que las informaciones sobre la subvariante eran limitadas, pero que datos preliminares indicaban que BA.2 ten\u00eda “un ligero aumento de la tasa de crecimiento respecto a BA.1”. <\/p> \n
(Lea: Variante \u00f3micron: estos ser\u00edan los s\u00edntomas y su duraci\u00f3n). <\/p> \n
\u00d3micron provoca en general enfermedades menos graves que las variantes previas del coronavirus y Van Kerkjove declar\u00f3 que nada indicaba por ahora que la subvariante BA.2 presentara m\u00e1s gravedad. <\/p> \n
AFP <\/p> \n<\/div>\n
Fuente: Portafolio<\/a> <\/p> \n<\/div>","protected":false},"excerpt":{"rendered":"
Una subvariante de \u00f3micron, que seg\u00fan algunos estudios podr\u00eda ser m\u00e1s contagiosa que la original, ha sido detectada en 57 pa\u00edses, inform\u00f3 este martes la … <\/p> \n","protected":false},"author":2,"featured_media":71079,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":[],"categories":[3],"tags":[6104,5577,4627,2416,7465],"yoast_head":"\n
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