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Comment le vaccin Pfizer baisse d’efficacité avec le temps

25 November 202125 November 2021

Une étude publiée ce 24 novembre par le British Medical Journal révèle une augmentation graduelle du risque d’infection par le COVID-19 à partir de 90 jours après avoir reçu une deuxième dose du vaccin Pfizer-BioNTech. Une confirmation évaluée scientifiquement qui conforte l’administration d’une troisième dose de vaccin. C’est vraisemblablement sur

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Comment le vaccin Pfizer baisse d’efficacité avec le temps

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