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29 de marzo de 2024
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Pfizer mejora la efectividad de su vacuna y pide pista miércoles 18 de noviembre de 2020 09:38
La farmacéutica estadounidense Pfizer se está preparando para solicitar de forma inminente la aprobación de emergencia de su vacuna contra la covid-19, que ya superó los requisitos de seguridad fijados para su fase 3 de ensayos, según aseguró este martes el consejero delegado de la empresa, Albert Bourla. Además, confirmaron que la efectividad es de un 95%, más alta de la prevista la semana pasada.
Bourla se pronunció así en un foro organizado por The New York Times y en otro del medio especializado en salud STAT News, después de que su empresa y su socio BioNTech. "Estamos muy cerca de solicitar la autorización de emergencia", dijo el principal responsable de la farmacéutica, que no quiso dar una fecha precisa para ese esperado paso.
Pfizer es una de las firmas con que el Gobierno argentino mantiene negociaciones para acceder a la vacuna. Según Bourla, Pfizer ya ha recabado los datos de seguridad que requieren las autoridades sanitarias, que exigen a los fabricantes el seguimiento durante dos meses de al menos la mitad de las personas que recibieron la vacuna durante los ensayos de fase 3.
Tras el anuncio de Pfizer y BioNTech, este lunes la biotecnológica Moderna dio a conocer resultados de las pruebas de su proyecto de vacuna, que apuntan a una efectividad de en torno al 95%. Cuando dieron a conocer el éxito de sus ensayos, Pfizer y BioNTech anunciaron que esperan producir 50 millones de dosis este año y 1.300 millones de dosis en 2021. EFE