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目的了解北京市乙型肝炎流行趋势。方法整理分析历年来传染病疫情报告资料,并通过漏报率调查来校正乙肝报告发病率。结果北京市急性乙型肝炎报告年平均发病率为18.51/10万,校正报告发病率为22.21/10万。1990-2003年病毒性肝炎总发病数逐年呈明显下降趋势(下降幅度为70.78%),而急性乙肝逐年发病水平下降较慢(下降幅度为25.46%),急性乙肝报告病例数占病毒性肝炎发病总报告数的百分比却呈上升趋势。急性乙肝主要发病集中在20~40岁之问的中青年男性。结论目前本市乙肝已成为病毒性肝炎的主要构成,应注重阻断乙肝母婴传播以外的其他途径的乙肝病毒传播。
Objective To understand the prevalence of hepatitis B in Beijing. Methods To analyze and analyze the epidemiological reports of infectious diseases over the years, and to correct the incidence of hepatitis B reports through the omission rate survey. Results The average annual incidence of acute hepatitis B in Beijing was 18.51 / 100 000 and the incidence rate of correction was 22.21 / 100 000. The total incidence of viral hepatitis in 1990-2003 showed a declining trend year by year (a decrease of 70.78%), while the incidence of acute hepatitis B decreased year by year slower (a decrease of 25.46%), and the number of reported cases of acute hepatitis B accounted for the incidence of viral hepatitis The percentage of total reports is on the rise. The main incidence of acute hepatitis B concentrated in the 20 to 40-year-old young men asked. Conclusion At present, hepatitis B in our municipality has become the main component of viral hepatitis, and hepatitis B virus transmission should be stopped in other ways besides mother-infant transmission.