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A mixed vaccination of first AstraZeneca and then a Pfizer COVID-19 shot boosted neutralizing antibody levels by six times compared with two AstraZeneca doses, a study from South Korea showed.
Fuente: Youtube
A mixed vaccination of first AstraZeneca and then a Pfizer COVID-19 shot boosted neutralizing antibody levels by six times compared with two AstraZeneca doses, a study from South Korea showed.
Fuente: Youtube
