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目的分析河南省巩义市2001-2007年病毒性甲型肝炎(甲肝)流行特征。方法对7年中各医疗单位报告的甲肝病例做系统性回顾。结果巩义市甲肝发病率呈逐年下降趋势。2007年发病率较2001年减少80.80%,年平均报告发病率为8.59/10万;9-11月发病略显高峰;男性发病多于女性,男女性别比为1.55:1;农民发病最高,占发病总数的44.86%;25～70岁年龄组发病最多,<15岁发病次之,占发病总数的37.32%。结论对适宜人群进行甲肝疫苗接种,把住病从口入关,是减少发病、控制暴发与流行的重要措施;同时应重视对25岁以上人群适时进行免疫接种,以提高全人群的免疫水平。
Objective To analyze the epidemiological characteristics of viral hepatitis A (hepatitis A) in Gongyi City of Henan Province from 2001 to 2007. Methods A systematic review of hepatitis A cases reported by various medical units in seven years was made. Results The incidence of hepatitis A in Gongyi City showed a declining trend year by year. The incidence in 2007 was 80.80% lower than that in 2001, with an average annual incidence rate of 8.59 / lakh. The incidence was slightly higher from September to November. The incidence of male was more than that of female, the male-to-female ratio was 1.55: 1. The incidence of peasants was the highest The incidence of 44.86% of the total; 25 to 70 age group the most incidence, incidence of <15 years of age, accounting for 37.32% of the total incidence. Conclusions It is an important measure to reduce the incidence and control the outbreak and epidemic by vaccinating the suitable population for Hepatitis A vaccination and stopping the disease from entering the mouth. At the same time, it is necessary to attach importance to timely immunization of people above 25 years of age in order to improve the immunity level of the whole population.