Immune responses against SARS-CoV-2 variants after heterologous and homologous ChAdOx1 nCoV-19/BNT162b2 vaccination.
Nat Med. 2021 Sep;27(9):1525-1529. doi: 10.1038/s41591-021-01449-9. Epub 2021 Jul 14.
Nat Med. 2021.
PMID: 34262158
Free PMC article.