MICHAEL ERMANN\/ JULIE STEENHUYSEN \/ REUTERS<\/p>\n\n\n\n
9 nov (Reuters) – Pfizer Inc dijo el lunes que su vacuna experimental fue m\u00e1s de un 90% efectiva para prevenir COVID-19 seg\u00fan los datos iniciales de un gran estudio, una victoria en la lucha contra una pandemia que ha causado la muerte de m\u00e1s de 1 mill\u00f3n de personas y sacudido la econom\u00eda mundial.<\/p>\n\n\n\n
Pfizer y su socio alem\u00e1n BioNTech SE son los primeros fabricantes de medicamentos en mostrar datos exitosos de un ensayo cl\u00ednico a gran escala de una vacuna contra el coronavirus.<\/p>\n\n\n\n
Las compa\u00f1\u00edas dijeron que hasta ahora no han encontrado problemas de seguridad serios y esperan solicitar la autorizaci\u00f3n de uso de emergencia de Estados Unidos a finales de este mes.<\/p>\n\n\n\n
Si se autoriza, la cantidad de dosis de vacuna inicialmente ser\u00e1 limitada. Tambi\u00e9n quedan muchas preguntas, incluyendo cu\u00e1nto tiempo brindar\u00e1 protecci\u00f3n la vacuna. Sin embargo, las noticias dan la esperanza de que otras vacunas en desarrollo contra el nuevo coronavirus tambi\u00e9n puedan resultar efectivas.<\/p>\n\n\n\n
\u201cHoy es un gran d\u00eda para la ciencia y la humanidad\u201d, dijo Albert Bourla, presidente y director ejecutivo de Pfizer, en un comunicado.<\/p>\n\n\n\n
\u201cEstamos alcanzando este hito cr\u00edtico en nuestro programa de desarrollo de vacunas en el momento en que el mundo m\u00e1s lo necesita, con tasas de infecci\u00f3n que establecen nuevos r\u00e9cords, hospitales que se acercan al exceso de capacidad y econom\u00edas que luchan por reabrir\u201d, a\u00f1adi\u00f3.<\/p>\n\n\n\n
<^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^<\/p>\n\n\n\n
Preguntas y respuestas: \u00bfD\u00f3nde est\u00e1 la carrera por la vacuna? (en ingl\u00e9s) [nL1N2HV027]<\/p>\n\n\n\n
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^><\/p>\n\n\n\n
Reporte de Michael Erman y Julie Steenhuysen; reporte adicional de Michele Gershberg; Editado por Bill Berkrot, Caroline Humer y Edwina Gibbs, editado en espa\u00f1ol por Gabriela Donoso<\/p>\n\n\n\n
Fuente: https:\/\/lta.reuters.com\/article\/salud-coronavirus-pfizer-idLTAKBN27P1FP<\/p>\n","protected":false},"excerpt":{"rendered":"
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