Mixed vaccination: a study confirmed the advantages of combining a dose of Pfizer with the AstraZeneca formula — World Today News

FILE PHOTO: Vials with the coronavirus disease (COVID-19) vaccine labels from Pfizer-BioNTech and AstraZeneca are seen in this illustration photo taken on March 19, 2021. REUTERS / Dado Ruvic / Illustration A study conducted in South Korea found that a mixed COVID-19 vaccination from AstraZeneca and then an injection from Pfizer increased neutralizing antibody levels…

Mixed vaccination: a study confirmed the advantages of combining a dose of Pfizer with the AstraZeneca formula — World Today News
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