乙型肝炎表面抗原(HBsAg)阳性,是反应感染乙型肝炎病毒(HBV)的一个指标。我国人群HBV感染率甚高,已成为当前的重要社会问题之一。为了摸清我县饮食行业人群中HBV感染情况,1987年我们采用反向间接血凝法(RPHA)对4227名食品从业人员进行了HBsAg携带情况调查,现将结果报告于后。 在4227名食品从业人员中,共检出HBsAg阳性数195人,阳性率为4.61％;其中男性占 Hepatitis B surface antigen (HBsAg) positive, is an indicator of response to hepatitis B virus (HBV). In our country, the rate of HBV infection is very high, which has become one of the most important social problems. In order to find out the situation of HBV infection in our county’s diet industry, in 1987 we conducted a survey of 4,227 food service workers carrying HBsAg using reverse indirect hemagglutination (RPHA), and the results are reported later. In 4227 food workers, a total of 195 HBsAg positive were detected, the positive rate was 4.61%; of which men accounted for