1984年4月对信城镇食品生产经营人员1258人进行了 HBsAg 的调查,阳性率为10.65%,男女之间无显著差异,低年龄组阳性率高于高年龄组,不同行业之间,从事副食业的男性显著地高于其他行业。乙型肝炎的患病率显著地高于甲型肝炎,在乙型肝炎中,男性患者显著地高于女性患者。29岁以下患乙型肝炎的显著地高于30岁以上的。甲型肝炎均 In April 1984, a survey of 1258 people in Xincheng food production and operation staff was conducted, with a positive rate of 10.65%. There was no significant difference between men and women. The positive rate of low age group was higher than that of high age group and different industries. Men in industry are significantly higher than in other industries. The prevalence of Hepatitis B is significantly higher than that of Hepatitis A, and among Hepatitis B, the male patient is significantly higher than the female patient. Hepatitis B is significantly higher than age 30 and older under age 29. Hepatitis A are