Gene Editing Bivalent mRNA vaccine induces powerful antibody response to SARS-CoV-2 Omicron subvariants Posted on July 25, 2022 by Editorial Staff Researchers discuss the development and efficacy of a bivalent mRNA vaccine against emerging variants such as BA.2.12.1, BA.4, or BA.5. Share on FacebookTweetFollow us Editorial Staff Long-COVID is relatively infrequent, but still poses a threat A VSV-based COVID vaccine effective against SARS-CoV-2 variants