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病毒性肝炎是威胁人类健康的世界性传染病。乙型肝炎表面抗原(HBsAg)无症状携带者分布广泛,据世界卫生组织(WHO)报道全世界约有2亿多人。我国人群 HBsAg
Viral hepatitis is a worldwide infectious disease that threatens human health. Asymptomatic carriers of hepatitis B surface antigen (HBsAg) are widespread, with more than 200 million people worldwide reported by the World Health Organization (WHO). Our population HBsAg