BEIJING, Feb. 8, 2024 /PRNewswire/ -- Shareholders of YS Biopharma Co., Ltd. (NASDAQ: YS) ("YS Biopharma"), a global biopharmaceutical company dedicated to discovering, developing, manufacturing, and delivering new generations of vaccines and therapeutic biologics for infectious diseases and cancer, today announced they are convening an extraordinary general meeting of shareholders ("EGM"). The shareholders convening the meeting (the "Convening Shareholders") include Yi Zhang, the founder of YS Biopharma an ...