仅用于工业应用或科学研究，不可用于人类或动物的临床诊断或治疗，非药用. Tuvirumab （OST 577; SDZ-OST 577） is a human IgG1 subclass monoclonal antibody directed against HBV surface antigen （HBsAg）. Tuvirumab binds specifically and with high affinity （K=3.6 nM） to HBsAg. Tuvirumab has the potential for chronic hepatitis B research