BioNTech/Pfizer vaccine after Oxford/AZ vaccine increased immune response vs. no second vaccine.

Granwehr, Bruno P · Ann Intern Med · 2021

rct · Level II

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Abstract

Borobia AM, Carcas AJ, Perez-Olmeda M, et al. <b>Immunogenicity and reactogenicity of BNT162b2 booster in ChAdOx1-S-primed participants (CombiVacS): a multicentre, open-label, randomised, controlled, phase 2 trial.</b> Lancet. 2021;398:121-30. 34181880.

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