【摘要】 目的　分析梅县 1990～ 2 0 0 1年甲型肝炎的流行规律 ,为制订预防控制甲肝的对策提供科学依据。方法　对 1990～ 2 0 0 1年梅县发生的甲肝病例作回顾性分析。结果　甲型肝炎的发病率自 1993年以来呈逐年下降趋势 ,从 1999年至现在更控制在 3/ 10万以下 ;1990～ 1992年甲肝发病呈春夏季节性高峰 ,而 1993～ 2 0 0 1年季节分布不明显 ;男性发病高于女性 (1 96∶1) ;1992年以 10～ 15岁年龄段发病最高 ,1995～ 2 0 0 1年以 30～ 4 0岁年龄段发病最高 ;1992年以学生、农民、散居儿童发病为主 ,1995～ 2 0 0 1年以农民、学生、工人发病为主。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的综合性防治措施的结果。提示今后应重点做好食源性及水源性甲肝暴发流行的预防控制及开展成年人接种甲肝疫苗。更多还原

【Abstract】 Objective To analyze the characteristics of the prevalence of Hepatitis A in Meixian county between the year 1990 and 2001, and to provide scientific basis for the formulation of the countermeasure in taking precautions against hepalitis A.Method By retrospective analysis of the cases of hepatitis A in Meixian County between 1990 and 2001.Results The incidence of hepatitis A tended to drop since 1993. It was controlled under 0 03‰ since 1999. Between 1990 and 1992 hepatitis A was endemic in spring and summer. But the seasonal outbreak was not obvious between 1993 and 2001. The incidence of hepatitis A in male is obviously higher than that in female (1 96∶1). In 1992 the incidence of hepatitis A was the highest of the 10～15 age group, while from 1995 to 2001 the incidence of hepatitis was the highest of the 30～40 age group. In 1992 hepatitis A was mainly occurred to students, peasants and scattered children. But between 1995 and 2001 hepatitis A occurred mainly in peasants, students and workers.Conclusion The change of the distribution of hepatitis A is the result of taking multiple precautions relying mainly on immunizing people against hepatitis A. It showed that we must stress on the precaution and control of hepatitis A spreading via drinking water or food and also a good vaccination programme against hepatitis A.更多还原