Customized bivalent mRNA COVID boosters protect against BA.5 Omicron variant

In a recent study posted to the bioRxiv* pre-print server, researchers from Washington University School of Medicine, Moderna, Inc, and the U.S. National Institutes of Health tested two bivalent severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) vaccines based on the messenger ribonucleic acid (mRNA) platform.