Vir Biotechnology Inc is a commercial-stage immunology company focused on treating and preventing infectious diseases. Through internal development, collaborations, and acquisitions, it has four technology platforms, focused on antibodies, T cells, innate immunity, and small interfering ribonucleic acid, or siRNA. The company's pipeline consists of product candidates targeting hepatitis B, HBV, influenza A, human immunodeficiency virus, HIV, and tuberculosis, or TB. Its revenue sources are collaboration revenue, contract revenue, grant revenue, and license revenue.