Even bivalent updated COVID-19 boosters struggle to prevent omicron subvariant transmission – an immunologist discusses why new approaches are necessary
- Written by Matthew Woodruff, Instructor of Human Immunology, Emory University

By almost any measure, the vaccination campaign against SARS-CoV-2, the virus that causes COVID-19, has been a global success.
As of January 2023, more than 12 billion vaccines against SARS-CoV-2 have been...