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目的探讨浙江省宁波市戊型病毒性肝炎(戊肝)发病趋势和流行病学特征。方法 采用描述性流行病学方法对宁波市1999-2008年戊肝监测资料进行分析。结果 1999-2008年宁波市戊肝年均发病率为2.56/10万;发病以春夏季为主,发病高峰在1-5月;宁波市所辖11个县(市、区)均有病例报告,个别县(区)发病率较高;戊肝发病以成年人为主,尤以40~59岁年龄组病例较多,且呈上升趋势。结论 应重视戊肝的控制工作,加强食品和水源的管理。
Objective To investigate the trend and epidemiological characteristics of hepatitis E in Zhejiang province. Methods Descriptive epidemiological methods were used to analyze the data of hepatitis E surveillance in Ningbo City from 1999 to 2008. Results The average annual incidence of hepatitis E in Ningbo was 2.56 / 100 000 between 1999 and 2008; the incidence was mainly in spring and summer with the peak incidence in January-May; and there were cases in 11 counties (cities and districts) under the jurisdiction of Ningbo , And the incidence of individual counties (districts) was higher. The prevalence of hepatitis E was mainly in adults, especially in the 40- to 59-year-old age group, with an upward trend. Conclusions Should attach importance to the control of hepatitis E, and strengthen the management of food and water.