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目的分析北京市朝阳区2008—2012年急性乙型病毒性肝炎(急性乙肝)流行特征,为乙肝的防治工作提供科学依据。方法采用描述性流行病学分析方法,对朝阳区2008—2012年传染病网络直报系统内的急性乙肝疫情资料进行统计分析。结果 2008—2012年朝阳区急性乙肝平均发病率为3.16/10万,发病率呈逐年下降趋势;各街道和地区均有发病,发病率在1.08/10万至11.34/10万之间波动;急性乙肝病例数最高季度为第2季度;高发人群为中青年;男女发病比为2.48∶1,男女性5年发病率均有下降,且男女性发病率差距逐年缩小。结论北京市朝阳区乙肝防治已取得显著成果,下一步工作应在保持现有免疫策略的基础上,加强对成人群体的乙肝宣传与防治,尤其是高危人群的乙肝疫苗接种。
Objective To analyze the epidemic characteristics of acute hepatitis B (acute hepatitis B) in Chaoyang District of Beijing from 2008 to 2012 and provide a scientific basis for the prevention and control of hepatitis B. Methods Descriptive epidemiological analysis was used to analyze the data of acute hepatitis B outbreak in the network reporting system of infectious diseases in Chaoyang District from 2008 to 2012. Results The average incidence of acute hepatitis B in Chaoyang District from 2008 to 2012 was 3.16 / lakh, the incidence rate showed a declining trend year by year. The incidence rate of all the streets and districts fluctuated between 1.08 / lakh and 11.34 / lakh. The acute The highest number of cases of hepatitis B in the second quarter; high incidence of middle-aged and young people; male to female incidence ratio of 2.48: 1, 5-year incidence of men and women have declined, and the incidence of men and women narrowed the gap year by year. Conclusion The prevention and treatment of hepatitis B in Chaoyang District, Beijing has achieved remarkable results. The next step should be to strengthen the publicity and prevention of hepatitis B in adults, especially hepatitis B vaccination in high-risk groups, based on the existing immunization strategies.