Un nuevo estudio publicado en la revista Nature sugiere que retrasar la segunda dosis de la vacuna de ARNm de Pfizer en los mayores de 80 años podría aumentar la eficacia al generar mayor respuesta inmune
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etiquetas: covid , vacuna , segunda dosis , pfizer , arnm
But for some existing vaccines, a longer wait between first and second doses yields a stronger immune response. Delaying the COVID-19 booster shots could also expand partial immunity among a greater swathe of the population than could the shorter dosing schedule. On 30 December, the United Kingdom announced that it would delay the second dose by up to 12 weeks after the first.