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目的了解五华县乙型病毒性肝炎流行病学特征,评价乙肝流行状况,为乙肝防控工作提供科学依据。方法对2013~2015年五华县通过病例信息收集、实验室检测、急性乙肝病例流行病学调查的乙肝监测结果进行流行病学分析。结果 2013年1月至2015年6月全县共报告乙肝448例,年均发病率13.21/10万,占病毒性肝炎总病例数的79.86%;急性病例占3.57%(16例),慢性病例占89.06%(399例),未分型病例占7.37%(33例);全县16个乡镇均有病例报告;男性发病率18.28/10万,女性发病率7.84/10万;发病年龄3月龄~89岁、30~59岁人群占54.24%(243例);职业以农民最多,占82.37%(369例);2013~2014年每个月均有病例报告,发病无明显季节性。结论五华县通过实施儿童乙肝疫苗免疫规划后,有效控制了儿童发病,急性感染病例得到遏制。
Objective To understand the epidemiological characteristics of hepatitis B virus in Wuhua County and to evaluate the prevalence of hepatitis B and provide a scientific basis for hepatitis B prevention and control. Methods Epidemiological analysis of hepatitis B surveillance results in Wuhua County from 2013 to 2015 through case information collection, laboratory tests and epidemiological investigation of acute hepatitis B cases was conducted. Results A total of 448 cases of hepatitis B were reported in the county from January 2013 to June 2015, with an average annual incidence of 13.21 / 100000, accounting for 79.86% of the total number of cases of viral hepatitis; acute cases accounted for 3.57% (16 cases), chronic cases Accounting for 89.06% (399 cases), undifferentiated cases accounted for 7.37% (33 cases); the county’s 16 townships have case reports; male incidence of 18.28 / 100000, female incidence of 7.84 / 100000; onset age of March The age ranged from 89 to 54 years. The population aged from 30 to 59 accounted for 54.24% (243 cases). The largest number of farmers was occupation, accounting for 82.37% (369 cases). There were monthly reports from 2013 to 2014 with no obvious seasonal changes. Conclusion Wuhua County through the implementation of children’s hepatitis B vaccine immunization program, the effective control of children’s onset, acute infection has been curbed.