【摘要】 目的　分析淮阴市 1990～ 1999年甲型肝炎的流行规律 ,为制订控制甲肝的对策提供科学依据。方法　对 1990～ 1999年淮阴市发生的甲肝病例作回顾性分析。结果　甲型肝炎发病率1994年以来呈逐年下降趋势 ;1990～ 1993年甲肝发病呈春、秋季节性高峰现象 ,而 1994～ 1999年季节分布不明显 ;男性发病率高于女性 ;各年龄组中以 5～ 10岁组发病率最高。结论　甲型肝炎发病分布特征的变化是以接种甲肝疫苗为主导措施的甲肝压高峰工作的结果。提示今后应提高小年龄组儿童的甲肝疫苗接种率更多还原

【Abstract】 Objective In order to understand the characteristics of incidence and epidemic trends of hepatitis A in Huaiyin district, 1990～1999 and to provide information for government to make strategies and control program of hepatitis A. Methods A retrospective analysis of cases of hepatitis A was carried out. Results The incidence of hepatitis A has decreased annually since 1994. The seasonal high peaks were found in spring and summer from 1990 to 1993. The incidence in male was higher than that in female and the highest age group was found in 5～10 year old group. Conclusions Hepatitis A surveillance should be improved and the coverage rate of hepatitis A vaccine among young age groups should be increased.更多还原