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Comparative Effectiveness and Antibody Responses to Moderna and Pfizer-BioNTech COVID-19 Vaccines among Hospitalized Veterans — Five Veterans Affairs Medical Centers, United States, February 1–September 30, 2021

Summary What is already known about this topic? mRNA COVID-19 vaccines are effective in preventing severe COVID-19. Some studies have shown declines in vaccine effectiveness against severe COVID-19 with increasing time since vaccination. What is added by this report? During February 1–September 30, 2021, mRNA vaccine effectiveness in preventing COVID-19–associated […]

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BioNTech CEO Says Vaccine Likely to Protect Against Severe COVID From Omicron

BioNTech and Pfizer’s COVID-19 vaccine will likely offer strong protection against any severe disease from the new Omicron virus variant, BioNTech’s Chief Executive told Reuters, as the firm weighs the need to upgrade its commonly used shot. Lab tests are underway over the next two weeks to analyse the blood […]

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Nueva variante: BioNTech dice que podría modificar la vacuna Covid en 100 días si fuera necesario

BioNTech dice que podría producir y enviar una versión actualizada de su vacuna dentro de 100 días. Esto, si se descubre que la nueva variante de Covid detectada en el sur de África evade la inmunidad existente. La compañía dice que sabrá en dos semanas si es probable que su vacuna […]

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FDA Authorizes Booster Dose of Pfizer-BioNTech COVID-19 Vaccine for Certain Populations

Today, the U.S. Food and Drug Administration amended the emergency use authorization (EUA) for the Pfizer-BioNTech COVID-19 Vaccine to allow for use of a single booster dose, to be administered at least six months after completion of the primary series in: individuals 65 years of age and older; individuals 18 […]

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Effectiveness of the BNT162b2 Covid-19 Vaccine against the B.1.1.7 and B.1.351 Variants

The messenger RNA vaccine BNT162b2 (Pfizer–BioNTech) has 95% efficacy against coronavirus disease 2019 (Covid-19).1 Qatar launched a mass immunization campaign with this vaccine on December 21, 2020. As of March 31, 2021, a total of 385,853 persons had received at least one vaccine dose and 265,410 had completed the two doses. […]

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El cofundador de BioNTech asegura que será necesaria una tercera dosis de su vacuna

La vacuna de BioNTech y Pfizer necesitará una tercera dosis a los nueve meses o como máximo al año de la segunda, ha asegurado este miércoles Ugur Sahin, cofundador de la empresa alemana BioNTech, para volver a aumentar la protección frente al coronavirus. El científico ha explicado durante un encuentro virtual con corresponsales extranjeros en […]

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La vacuna de Pfizer-BioNtech mostró una buena respuesta contra las diferentes variantes del virus SARS-Cov2.

BNT162b2 (Pfizer-BioNtech) es una vacuna de ARN modificado con nucleósidos que expresa la glicoproteína (S) de pico de prefusión de longitud completa del coronavirus 2 del síndrome respiratorio agudo severo (SARS-CoV-2). En un ensayo clínico aleatorizado controlado con placebo en el que participaron aproximadamente 44.000 participantes, la inmunización confirió una […]

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