YS Biopharma 

YS Biopharma Co., Ltd., a biopharmaceutical company, engages in discovering, developing, manufacturing, and commercializing of vaccines and therapeutic biologics for infectious diseases and cancer. It develops a proprietary PIKA immunomodulating technology platform and a series of preventive and therapeutic biologics targeting Rabies, Coronavirus, Hepatitis B, Influenza, and Shingles. It operates in China, the United States, Singapore, the United Arab Emirates, and the Philippines. The company was founded in 2002 and is based in Beijing, China.