天津市东丽区1990～2004年病毒性肝炎流行性分析

Epidemiological Analysis of Virus Hepatitis in Dongli District of Tianjin since 1990 to 2004

目的 了解和掌握天津市东丽区1990～2004年病毒性肝炎的流行规律，为制定防治对策提供科学依据。方法 收集和整理分析东丽区1990～2004年病毒性肝炎疫情报告资料及人口资料，描述其流行病学特征。结果 1990～2004年病毒性肝炎疫情发病率下降了37．5％，该病发病广泛，1年4季均有发病，1月份发病率最高。1992年计划免疫接种以前5岁～组儿童发病率最高，1992年以后20～30岁成人发病较多，流动人口集中地区发病率高。结论 15年间东丽区的病毒性肝炎发病率有了大幅度下降，尤其疫苗接种减少了儿童发病率，但流行因素仍广泛存在。

[ Objective] To learn the epidemic law of virus hepatitis in Dongli District since 1990 to 2004 and provide scientific basis for the work of prevention. [ Methods] Report data of the epidemic situation and population since 1990 to 2004 were collected and analyzed; the epidemiologieal features were described. [Results]The morbidity of virus hepatitis decreased by 37,5% ; the morbidity was the highest in January. The morbidity among children aged less than 5 years was the highest before 1992, the year that the planned immunization began to be carried out; while the morbidity among adults aged from 20 to 30 was the highest after 1992, The morbidity was quite high in the floating population - concentrated areas. [ Conclusion]The morbidity of virus hepatitis decreased significantly during the 15 years; the planned vaccination reduced the morbidity among children but the epidemiological factors still exists.