我们于1978年9月至1980年7月对我局特定人群中 HBsAg 携带情况及不同类型的传染源对家庭成员中乙型肝炎感染的影响作了初步调查,报告如下。对象与方法一、对象:对我站管区内1104名食堂炊管人员及托幼机构保教人员进行普查,对部份急、慢性肝炎病人、无症状携带者及其家庭成 From September 1978 to July 1980, we conducted a preliminary investigation into the impact of HBsAg carriers and different types of sources of infection on hepatitis B among family members in a specific population of our Bureau from September 1978 to July 1980, and the report is as follows. Subjects and Methods I. Object: We conducted a general survey of 1104 canteens’ cooking staff and childcare institutions in our station area, and conducted a survey of some acute and chronic hepatitis patients, asymptomatic carriers and their families