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目的分析2006～2011年天津市北辰区乙肝的流行特征,为预防和控制乙肝提供科学依据。方法分析北辰区2006～2011年新报告的乙肝病例情况,以及20 1 1年人群抽样调查的数据。结果 2006～2011年报告乙肝病例1414例,年均发病率为44.30/10万,不同地区之间发病率不同(χ2=7.423,P<0.0 5),男女发病比为:3.20:1。发病年龄集中在20～50岁,职业分布以农民为主;血清学调查显示乙肝表面抗原阳性率为1.9 3%;不同年龄组之间乙肝表面抗体阳性率差异有统计学意义(χ2=7.423,P=0.024,P<0.05)。结论乙肝是北辰区重点传染病,应加强对乙肝的健康宣传教育工作,同时加强乙肝疫苗的接种以及强化接种工作。
Objective To analyze the epidemiological characteristics of hepatitis B in Beichen district of Tianjin from 2006 to 2011 and provide a scientific basis for the prevention and control of hepatitis B. Methods We analyzed the newly reported cases of hepatitis B in Beichen District from 2006 to 2011 and the data of population sampling survey in 2011. Results A total of 1414 cases of hepatitis B were reported from 2006 to 2011, with an average annual incidence of 44.30 / 100,000. The incidence of hepatitis B was different between different regions (χ2 = 7.423, P <0.0 5). The incidence rate of males to females was 3.20: 1. The age of onset was mainly between 20 and 50 years old, and the occupational distribution was dominated by farmers. The serological survey showed that the positive rate of HBsAg was 1.9 3%. The positive rate of HBsAg among different age groups was statistically significant (χ2 = 7.423, P = 0.024, P <0.05). Conclusion Hepatitis B is a major infectious disease in Beichen District. Health publicity and education on hepatitis B should be strengthened. At the same time, hepatitis B vaccination and intensive vaccination should be strengthened.