一、资料来源及疫情简况 1、本资料均由市各医疗单位确诊病人后的疫情报告数字. 2、1988年共发生病毒性肝炎1073例,无死亡病例,发病率为95.40/十万。山城区发病率最高,为239.42/十万,发病以夏秋季为多,全年在3、7、10～12月份出现三次流行高峰.年龄分布以5 I. Data Sources and Epidemic Situation 1. The data are all reported by the medical units in the city after epidemic situation was confirmed 2. There were 1073 cases of viral hepatitis in 1988 with no deaths and the incidence was 95.40 per 100,000. The highest incidence in mountainous area was 239.42 / hundred thousand, the incidence of which was mostly in summer and autumn, with three epidemic peaks occurring in March, July and October in December, with the age distribution of 5