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目的分析大连市2013年甲型病毒性肝炎(下称“甲肝”)病例及其流行病学特征,评价防治工作效果,为进一步制定有效干预措施提供科学依据。方法对大连市2013年甲肝病例上报信息进行收集、整理,采用描述性流行病学法进行处理和分析。结果 2013年共报告甲肝305例,发病率为4.56/10万,无死亡病例报告;冬春季发病较多;长兴岛临港工业区发病率最高,为14.03/10万;家务待业占发病总数的44.92%,男女发病性别比为1.80∶1;40~44岁发病专率最高,为10.91/10万。结论需加强重点人群甲肝疫苗的预防控制工作。
Objective To analyze the epidemiological characteristics of hepatitis A in Dalian in 2013 and evaluate the effect of prevention and treatment so as to provide a scientific basis for further effective interventions. Methods The information of hepatitis A cases reported in 2013 in Dalian was collected, collated, and analyzed by descriptive epidemiology. Results A total of 305 hepatitis A cases were reported in 2013, with an incidence rate of 4.56 / 100 000 and no deaths were reported. There was more morbidity in winter and spring and the highest incidence in Lingang Industrial Zone of Changxing Island was 14.03 / 44.92%, male to female incidence of sex ratio was 1.80: 1; 40 to 44 years old the highest incidence rate of 10.91 / 100,000. Conclusion It is necessary to strengthen the prevention and control of hepatitis A vaccine in key populations.