我们于1989～1990年对廊坊市某医院确诊的96例散发性急病毒性肝炎进行了血清学分型。现将结果报告如下。1 材料与方法1.1 研究对象1989年6月～1990年6月在廊坊某医院确诊的急性散发性病毒性肝炎患者为研究对象。1.2 血清学分型用中国医学科学院医学生物学研究所生产的EIA试剂盒检测抗HAVIgM,阳性者为甲肝;用北京医科大学流行病教研室制备的EIA试 We performed serological typing on 96 cases of sporadic acute viral hepatitis diagnosed in a hospital in Langfang from 1989 to 1990. The results reported below. 1 Materials and Methods 1.1 Subjects June 1989 ~ June 1990 in Langfang Hospital diagnosed acute sporadic viral hepatitis patients as the research object. 1.2 Serological typing with the Chinese Academy of Medical Sciences Institute of Medical Biology EIA kit anti-HAVIgM detection, positive for hepatitis A; Beijing Medical University Epidemiology Department prepared EIA test