Vir Biotechnology, Inc. is a clinical-stage biopharmaceutical company that discovers and develops therapeutic products to treat and prevent serious infectious diseases in the United States and internationally. Its clinical pipeline includes investigational therapies targeting hepatitis delta virus (HDV) and other solid tumors. Preclinical candidates include influenza A and B antibodies, antibody-drug conjugates, coronavirus monoclonal antibodies, and PRO-XTEN, a dual-masked TCE targeting a variety of solid tumors. The company has collaborations and license agreements with Astellas, Norgine, the Gates Foundation, Brii Biosciences, Alnylam Pharmaceuticals, the Institute for Research in Biomedicine, The Rockefeller University, Xencor, and GlaxoSmithKline Biologicals. Vir Biotechnology was incorporated in 2016 and is headquartered in San Francisco, California.