论文部分内容阅读
目的了解合肥市自实行儿童乙肝疫苗预防接种以来15岁以下儿童乙型肝炎的发病情况及占乙型肝炎总发病的构成情况,科学评价儿童乙肝免疫规划在控制乙肝发病方面的作用,为制定乙型肝炎的防治对策提供科学依据。方法利用描述流行病学方法对1991年1月1日至2005年12月31日合肥市法定传染病报告系统和免疫预防的资料进行分析。结果1991~2005年间,全市共报告15岁以下乙肝发病3156例,年均发病率为20.37/10万。1994年为发病率最高年份,报告病例数579例,发病率为56.21/10万;2005年为发病率最低年份,报告病例数32例,发病率为3.31/10万。15岁以下儿童乙肝发病占乙肝总发病的构成比例逐年下降,从1991年的18.23%降到2005年的2.18%。结论1991~2005年合肥市15岁以下儿童乙肝总体流行强度呈现下降趋势,15岁以内人群得到了较好的保护,降低了乙肝的总发病率,乙肝免疫规划是控制乙肝最有效措施之一。
Objective To understand the incidence of hepatitis B in children under 15 years of age since Hepatology B vaccination was practiced in Hefei and its composition in the overall incidence of hepatitis B. To evaluate the role of childhood hepatitis B immunization program in the control of hepatitis B Hepatitis prevention and treatment measures provide a scientific basis. Methods Descriptive epidemiological methods were used to analyze the reporting system of legal infectious diseases and immunoprophylaxis in Hefei from January 1, 1991 to December 31, 2005. Results From 1991 to 2005, the city reported a total of 3156 cases of hepatitis B below 15 years old, the annual average incidence was 20.37 / 100000. In 1994, the year of highest incidence was 579 with the reported incidence of 56.21 / 100 000; the lowest was in 2005 with 32 cases reported, the incidence was 3.31 / 100 000. The incidence of hepatitis B in children under 15 years of age accounted for a declining proportion of the total incidence of hepatitis B, from 18.23% in 1991 to 2.18% in 2005. Conclusion The overall epidemic intensity of hepatitis B in children under 15 years of age in Hefei from 1991 to 2005 showed a downward trend. The population under 15 years of age was well protected and the overall incidence of hepatitis B was reduced. Hepatitis B immunization program was one of the most effective measures to control hepatitis B infection.