Study supports flexible second dose options following Pfizer or Oxford/AstraZeneca jabs

Following up first doses of the Oxford-AstraZeneca or Pfizer-BioNTech vaccines with second doses of the Moderna or Novavax jabs will generate robust immune responses against COVID-19, according to researchers running the University of Oxford-led Com-COV study.,Following up first doses of the Oxford-AstraZeneca or Pfizer-BioNTech vaccines with second doses of the Moderna or Novavax jabs will generate robust immune responses against COVID-19, according to researchers running the University of Oxford-led Com-COV study.

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