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目的了解唐山市2005-2009年病毒性肝炎的发病情况和流行特征,为控制病毒性肝炎提供科学依据。方法采用描述性流行病方法和相关回归分析方法。结果唐山市2005-2009年共发生病毒性肝炎33 468例,死亡4例,年平均发病率为92.44/10万,病死率为0.01%。甲肝呈稳中略降,乙肝和丙肝有上升的趋势,0～9岁年龄组发病显著下降。结论接种疫苗能有效降低甲肝和15岁以下儿童乙肝的发病率。在使用疫苗的同时有针对性的采取综合性防控措施是降低病毒性肝炎发病率的关键。
Objective To understand the incidence and epidemic characteristics of viral hepatitis from 2005 to 2009 in Tangshan City and provide a scientific basis for the control of viral hepatitis. Methods Descriptive epidemiological methods and related regression analysis methods were used. Results A total of 33 468 cases of viral hepatitis and 4 deaths were reported from 2005 to 2009 in Tangshan City. The average annual incidence rate was 92.44 / 100 000 and the case fatality rate was 0.01%. Hepatitis A was steady slightly lower, hepatitis B and hepatitis C are on the rise, the incidence of 0 to 9 age group significantly decreased. Conclusion Vaccination can effectively reduce the incidence of hepatitis B in children with hepatitis A and 15 years of age. Targeted and comprehensive prevention and control measures while using the vaccine are the key to reducing the incidence of viral hepatitis.