Li J, Hui A, Zhang X, Yang Y, et al. Safety and immunogenicity of the SARS-CoV-2 BNT162b1 mRNA vaccine in younger and older Chinese adults: a randomized, placebo-controlled, double-blind phase 1 study. Nat Med 2021 Apr 22. pii: 10.1038/s41591-021-01330.
PMID: 33888900