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目的分析2005-2011年遂宁市乙型病毒性肝炎发病的流行病学特征,为进一步预防和控制提供科学依据。方法对2005-2011年遂宁市乙型病毒性肝炎病例进行描述性流行病学分析。结果 2005-2011年遂宁市累计报告乙型病毒性肝炎病例50 196例,其中慢性乙型病毒性肝炎47 775例(95.18%)。年平均发病率为209.92/10万,最低发病率为98.47/10万,最高发病率为296.30/10万,从2010年发病率呈明显下降趋势。年平均发病率最高是船山区348.48/10万,最低是安居区154.84/10万。人群职业分布,最多是农民(42.62%),其次是学生(22.21%)。发病年龄主要集中在15~39岁(64.74%)。结论加强健康教育,提高大众预防乙型病毒性肝炎意识;针对高发人群,积极开展乙肝疫苗接种工作,从而有效降低全市乙型病毒性肝炎发病率。
Objective To analyze the epidemiological characteristics of hepatitis B in Suining City from 2005 to 2011 and provide scientific evidence for further prevention and control. Methods Descriptive epidemiological analysis of hepatitis B in Suining city from 2005 to 2011 was conducted. Results A total of 50 196 hepatitis B cases were reported in Suining from 2005 to 2011, including 47 775 cases (95.18%) of chronic hepatitis B cases. The average annual incidence was 209.92 / 100000, the lowest incidence was 98.47 / 100000, the highest incidence was 296.30 / 100000, from 2010 the incidence showed a significant downward trend. The highest average annual incidence is Chuanshan 348.48 / 100000, the lowest is 154.84 / 100000 in the area. The occupational distribution of the population is farmer (42.62%), followed by students (22.21%). The age of onset mainly concentrated in 15 to 39 years old (64.74%). Conclusions Health education should be strengthened to raise public awareness of prevention of hepatitis B virus. For those with high prevalence, hepatitis B vaccination should be actively carried out so as to effectively reduce the incidence of hepatitis B in the city.