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目的分析甘肃省重点地区2010~2011年甲型病毒性肝炎流行特征,提出防控对策。方法利用中国法定传染病报告系统,对甘肃省临夏州2010~2011年甲肝疫情进行描述性流行病学分析。结果 2010和2011年临夏州甲肝报告病例为1009例、1728例,分别占当年全省总病例数37.92%、48.68%。比例均居甘肃省第一位,15岁以下病例占报告病例总数63.54%,其中5~9岁组发病率为272.06/10万;病例职业主要为散居儿童、学生及农民;以秋冬季高发;病例主要集中在经济欠发达的县。结论针对临夏州甲肝疫情流行特征,开展疫苗群体性接种、对高发地区人群开展健康教育以及严格控制学校疫情蔓延等综合防控措施可有效控制甲肝疫情。
Objective To analyze the epidemiological characteristics of hepatitis A virus in key areas of Gansu Province from 2010 to 2011 and put forward prevention and control measures. Methods Using the reporting system of legal notifiable diseases in China, a descriptive epidemiological analysis of hepatitis A in Linxia Prefecture of Gansu Province from 2010 to 2011 was conducted. Results There were 1009 cases and 1728 cases of hepatitis A reported in Linxia in 2010 and 2011, accounting for 37.92% and 48.68% of the total number of cases in the province respectively. The proportion of the cases accounted for the first place in Gansu Province. The cases under 15 accounted for 63.54% of the total reported cases, of which the incidence was 272.06 / 100000 among 5 ~ 9 years old group. The cases were mainly scattered children, students and peasants; The cases are mainly concentrated in economically underdeveloped counties. Conclusion In view of the epidemiological characteristics of hepatitis A in Linxia, the epidemic situation of hepatitis A can be effectively controlled by the group vaccination, the health education of people in high incidence areas and the strict control of the spread of the outbreak in schools.