Clover Biopharmaceuticals, Ltd., a biotechnology company, engages in the research and development, manufacture, and commercialization of vaccines in Mainland China and internationally. The company's product candidates include SCB-2019 (CpG 1018/Alum), a COVID-19 vaccine; AdimFlu-S (QIS), a quadrivalent split inactivated vaccine for the treatment of influenza; and SCB-219M, a thrombocytopenia receptor agonist mimetic bispecific Fc-fusion protein to treat cancer patients with chemotherapy-induced thrombocytopenia. It is also developing SCB-2023B for COVID-19 treatment; SCB-1019, a product development platform for the creation of protein-based vaccines based on naturally trimerization-dependent targets; and SCB-1001 for rabies treatment. In addition, the company sells biopharmaceutical drugs. The company was founded in 2007 and is headquartered in Shanghai, the People's Republic of China. Address: No. 758 West Nanjing Road, Shanghai, China