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目的了解连云港市病毒性肝炎流行特征,为制定和调整防控策略提供科学依据。方法采用描述流行病学分析方法,对连云港市1999～2008年间11 632例病毒性肝炎病例进行分析,用Epi Info软件进行卡方检验。结果连云港市10年间报告发病11 632例,年平均发病率为25.10/10万,其中甲型肝炎发病率总体呈下降趋势,丙型肝炎呈缓慢上升的趋势,戊型肝炎呈快速上升的趋势,乙型肝炎、未分型肝炎无明显上升或下降的趋势;各型肝炎发病无明显的季节性;发病以农民为主占54.68%,病例主要集中在20～59岁,占73.04%。结论应进一步提高群众防病和主动接受免疫服务意识,在做好甲肝乙肝疫苗常规免疫的基础上,扩大免疫接种对象范围,加强重点人群免疫接种工作。
Objective To understand the epidemiological characteristics of viral hepatitis in Lianyungang and to provide a scientific basis for the formulation and adjustment of prevention and control strategies. Methods Descriptive epidemiological analysis was used to analyze the 11 632 cases of viral hepatitis in Lianyungang from 1999 to 2008, and the Chi-square test was conducted with Epi Info software. Results The incidence of 11 632 cases was reported in Lianyungang in 10 years with an average annual incidence rate of 25.10 per 100 000. The incidence of hepatitis A generally showed a downward trend, hepatitis C showed a slowly increasing trend and hepatitis E showed a rapid increase trend, Hepatitis B and undifferentiated hepatitis showed no obvious increase or decrease trend. There was no obvious seasonal incidence of each type of hepatitis. The incidence of peasants accounted for 54.68%. The cases mainly concentrated in 20 to 59 years old, accounting for 73.04%. Conclusion It is necessary to further raise public awareness of disease prevention and voluntary acceptance of immunization services and expand the scope of immunization targets and immunization of key populations based on the routine immunization of hepatitis A and B hepatitis A vaccines.