Nuevo estudio de la vacuna Moderna baja a 90% su efectividad

17 de Febrero de 2025

Nuevo estudio de la vacuna Moderna baja a 90% su efectividad

El laboratorio dice que es normal que se reduzca la efectividad debido a que han surgido nuevas variantes del virus

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This creative image taken in a studio in Paris on November 16, 2020, showing a syringe and a vaccine vial with the reproducted logo of a US biotech firm Moderna, illustrates the announcement of an experimental vaccine against Covid-19 from Moderna that would be nearly 95% effective, marking a second major step forward in the quest to end the Covid-19 pandemic. (Photo by JOEL SAGET / AFP) / �The erroneous mention[s] appearing in the metadata of this photo by JOEL SAGET has been modified in AFP systems in the following manner: [This creative image taken in a studio in Paris on November 16, 2020, showing a syringe and a vaccine vial with the reproducted logo of a US biotech firm Moderna, illustrates the announcement of an experimental vaccine against Covid-19 from Moderna that would be nearly 95% effective, marking a second major step forward in the quest to end the Covid-19 pandemic.] instead of [This illustration picture taken in a studio in Paris on November 16, 2020, shows a syringe and a vial with the logo of US biotech firm Moderna.]. Please immediately remove the erroneous mention[s] from all your online services and delete it (them) from your servers. If you have been authorized by AFP to distribute it (them) to third parties, please ensure that the same actions are carried out by them. Failure to promptly comply with these instructions will entail liability on your part for any continued or post notification usage. Therefore we thank you very much for all your attention and prompt action. We are sorry for the inconvenience this notification may cause and remain at your disposal for any further information you may require.�

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JOEL SAGET/AFP

This creative image taken in a studio in Paris on November 16, 2020, showing a syringe and a vaccine vial with the reproducted logo of a US biotech firm Moderna, illustrates the announcement of an experimental vaccine against Covid-19 from Moderna that would be nearly 95% effective, marking a second major step forward in the quest to end the Covid-19 pandemic. (Photo by JOEL SAGET / AFP) / “The erroneous mention[s] appearing in the metadata of this photo by JOEL SAGET has been modified in AFP systems in the following manner: [This creative image taken in a studio in Paris on November 16, 2020, showing a syringe and a vaccine vial with the reproducted logo of a US biotech firm Moderna, illustrates the announcement of an experimental vaccine against Covid-19 from Moderna that would be nearly 95% effective, marking a second major step forward in the quest to end the Covid-19 pandemic.] instead of [This illustration picture taken in a studio in Paris on November 16, 2020, shows a syringe and a vial with the logo of US biotech firm Moderna.]. Please immediately remove the erroneous mention[s] from all your online services and delete it (them) from your servers. If you have been authorized by AFP to distribute it (them) to third parties, please ensure that the same actions are carried out by them. Failure to promptly comply with these instructions will entail liability on your part for any continued or post notification usage. Therefore we thank you very much for all your attention and prompt action. We are sorry for the inconvenience this notification may cause and remain at your disposal for any further information you may require.”
Foto: AFP

La vacuna contra la Covid-19 Moderna tiene una efectividad entre el 90% y 95% en los casos graves de la enfermedad, según un nuevo ensayo realizado en Estados Unidos.

El ensayo clínico anterior, del New England Journal of Medicine, realizado en diciembre del año pasado, indicaron que su efectividad era del 94.1 por ciento.

Sin embargo, este último ensayo, que actualmente se encuentra en la fase 3 realizado con 30 mil voluntarios, redujo el porcentaje de efectividad.

La respuesta del laboratorio que desarrolla el biológico fue que es normal que se reduzca la efectividad debido a que han surgido nuevas variantes del virus.

Las variantes que afectan la vacuna podrían ser un poco más fuertes al virus original, pero aseguraron que ya se encuentran trabajando en dos versiones modificadas de la vacuna.

https://twitter.com/moderna_tx/status/1382095492268630023

Moderna ha fabricado, hasta el momento,132 millones de su vacuna contra el Covid-19 y se encuentra con los ensayo clínicos necesarios para la elaboración de la vacuna en adolescentes de 12 a 17 años; cuentan con 3 mil participantes de origen estadounidense.

“Los nuevos datos preclínicos sobre nuestras candidatas a vacunas específicas para las variantes nos dan confianza en nuestra capacidad para anticiparnos a la aparición de nuevas variantes”, indicó Stephane Bancel, director ejecutivo de Moderna.

Por otro lado ya realizan ensayos clínicos en menores de seis meses hasta 11 años de edad en China como Estados Unidos. DJ

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