2009-2013年河南省平顶山市甲型肝炎流行特征分析

Epidemiological Characteristics of Viral Hepatitis A in Pingdingshan,2009-2013

目的了解河南省平顶山市甲型病毒性肝炎的流行病学特征,为制定防控措施提供依据。方法采用描述流行病学方法对2009-2013年平顶山市甲肝疫情资料进行统计分析。结果 2009-2013年平顶山市共报告甲肝病例1 132例,年平均发病率为4.56/10万;各月份均有病例发生,7~9月份病例占全部病例的33.92%。15岁以下病例占报告病例总数的53.98%;病例主要为农民（32.51%）、学生（27.74%）、幼托儿童（16.43%）。男女病例报告发病率性别比为1.38：1。结论甲肝仍是平顶山市重要的公共卫生问题,应重点针对儿童、青少年,以及农村人群尤其青壮年农民采取综合防控措施。

Objective To understand the epidemiological characteristics of viral hepatitis A in Pingdingshan city,and provide the scientific evidences for formulating control strategies. Methods The epidemic data of hepatitis A in Pingdingshan city in 2009- 2013 were statistically analyzed with descriptive epidemiology method. Results There were 1132 cases of hepatitis A reported in Pingdingshan city form 2009- 2013,and the annual average incidence rate was 4. 56 / lakh. The cases occurred all the year round,with more than half of them occurred during July to September（ 33. 92%）. The cases mainly concentrated in the age group of below 15 years（ 53. 98%）; most of the cases were farmers（ 32. 51%）,students（ 27. 74%） and children（ 16. 43%）. The sex ratio was 1. 38： 1. Conclusion Strategy should be adopted and focused on children,adolescents and farmers,particularly young and middle-aged.