AIMTo explore the changes of peripheral blood CD5+ B cells , traditional B cells,and total B cells among chronic hepatitis B(CHB) patients and chronic a-symptomatic HBV carriers (AsC).

• 探讨慢性无症状乙肝病毒携带者(AsC)与慢性乙型肝炎(CHB)患者外周血CD5~+B细胞(CD5~+CD19~+)，传统B细胞(CD5~-CD19+)和全B细胞(CD19~+)的变化。