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乙型肝炎表面抗原(HBsAg)阳性者在家庭内聚集是流行病学调查中常见的一种现象。国内外一些报告指出:家庭中的密切接触是极为重要的传播因素,或强调家族内遗传因素是聚集的重要原因。为弄清长期密切接触能否传播HBsAg及HBsAg阳性携带者的传染性问题,我们对某农村11户HBsAg阳性携带者传播作用作了四年的前瞻性观察。现报告如下: 一、材料和方法对全部检查对象采静脉血,进行肝功能检查,用对流电泳法和反
Aggregation of hepatitis B surface antigen (HBsAg) positive within the home is a common phenomenon in epidemiological investigations. Some reports at home and abroad point out: Close contact in the family is an extremely important factor in communication or emphasizes that genetic factors within a family are important causes of aggregation. To understand the long-term close contact can spread the contagious problem of HBsAg and HBsAg-positive carriers, we conducted a prospective four-year prospective observation of the spread of 11 HBsAg-positive carriers in a rural area. Now report as follows: First, materials and methods of all subjects were venous blood, liver function tests, using convective electrophoresis and anti