Brii Biosciences Limited focuses on developing therapies for the treatment of infectious and central nervous system diseases in China and the United States. The company develops BRII-179, a recombinant protein-based HBV immunotherapeutic candidate; Elebsiran, an investigational subcutaneously administered HBV-targeting siRNA; and Tobevibart, an investigational subcutaneously administered HBV-neutralizing monoclonal antibody