HBsAg携带者面广、量大,不易转阴,具有明显的传染性,可引起肝炎、肝细胞癌及肝外组织损伤。HBsAg是食品从业人员进行健康体检的一项重要指标。食品从业人员HBsAg携带者,因广泛而密切地接触人群,且人员繁杂,流动性大,故在乙肝流行病学上有着重要的意义。现将开阳县1998年食品从业人 HBsAg carriers a wide range of large, easy to negative, with significant contagious, can cause hepatitis, hepatocellular carcinoma and extrahepatic tissue injury. HBsAg is an important indicator of a healthy physical examination for food practitioners. HBsAg carriers of food practitioners, because of extensive and close contact with the crowd, and the staff is complicated, the mobility of large, so the epidemiology of hepatitis B is of great significance. Now Kaiyang County in 1998 food practitioners