1997—2010年无锡市病毒性肝炎疫情的流行趋势

Epidemic trend of viral hepatitis in Wuxi City from 1997-2010

目的分析1997—2010年无锡市病毒性肝炎流行趋势,为制定病毒性肝炎的防治策略提供依据。方法采用描述流行病学方法对无锡市1997—2010年病毒性肝炎报告发病情况进行分析。结果 1997—2010年无锡市共报告病毒性肝炎31 006例,年平均发病率为40.14/10万。1997年最高,为76.65/10万;2010年最低,为21.34/10万。其中甲型肝炎发病率为4.70/10万,乙型肝炎为20.49/10万,丙型肝炎为1.73/10万,戊型肝炎为0.92/10万,未分型肝炎为12.29/10万。男女比例为2.19∶1,发病年龄主要集中在20～39岁组。结论无锡市各年发病率总体呈逐年下降趋势,控制乙型肝炎的发病率是预防工作的重点。

[Objective]To analyze the epidemic trend of viral hepatitis in Wuxi City from 1997-2010,provide the basis for making the control strategies of viral hepatitis. [Methods]By using the descriptive epidemiology method,the reports of viral hepatitis in Wuxi City from 1997-2010 were analyzed. [Results]During 1997-2010,a total of 31 006 viral hepatitis cases were reported in Wuxi City,and the average incidence rate was 40.14/lakh.The incidence rate in 1997 was the highest（76.65/lakh）,and that in 2010 was the lowest（21.34/lakh）.The incidence rate of hepatitis A,hepatitis B,hepatitis C,hepatitis E and untypied hepatitis was 4.70/lakh,20.49/lakh,1.73/lakh,0.92/lakh and 12.29/lakh,respectively.The male-to-female ratio was 2.19∶1.Most of cases were people aged 20-39 years old. [Conclusion]The annual incidence of viral hepatitis shows a downward trend year by year,and controlling incidence of viral hepatitis is the key of prevention.