饮食、公共场所从业人员ＨＢＶ感染率有很多报告 ,其传染性多以乙肝病毒标志物 (ＨＢＶＭ)来评价 ,目前认为ＨＢＶＭ是病毒基因编码的产物 ,只有ＨＢＶＤＮＡ才是乙肝病毒复制、传染的直接证据 ,而且传染水平与ＨＢＶＤＮＡ的浓度相一致。[1] 为了解两大行业ＨＢＶ感染者的传染 Diet, public places, there are many reports of HBV infection rate, the more infectious to hepatitis B virus markers (HBVM) to evaluate the current HBVM is the product of the virus gene encoding, only HBVDNA is hepatitis B virus replication, direct evidence of infection , And the level of infection consistent with the concentration of HBVDNA. [1] To understand the spread of HBV infection in two major industries