MicrobiologybioRxiv
mRNA-1273 and Ad26.COV2.S vaccines protect against the B.1.621 variant of SARS-CoV-2
T. L. Darling, B. Ying, B. Whitener…·A. Boon
This study evaluates the efficacy of mRNA-1273 and Ad26.COV2.S vaccines against the B.1.621 variant in mice and hamsters, showing protection against infection and pathology.