四川省1起甲型肝炎暴发的流行病学分析  

Epidemiological Analysis of a Hepatitis a Outbreak in a School of Sichuan Province

作　　者：刘青恋[1] 方刚[1] 罗湘蜀[1] 赵林[2] 赵兴东[3] 

机构地区：[1]四川省疾病预防控制中心,成都610031 [2]四川省南充市卫生防疫站 [3]四川省阆中市卫生防疫站

出　　处：《预防医学情报杂志》2003年第3期200-201,204,共3页Journal of Preventive Medicine Information

摘　　要：目的　探讨四川省阆中市西山中心校甲型肝炎 (甲肝 )暴发因素和控制措施。方法　应用描述性流行病学方法对西山中心校甲肝暴发疫情进行分析。结果　本次甲肝暴发 ,发病 77例 ,罹患率12 0 1‰。发病年龄主要集中在 11～ 16岁 (占 77 92 % ) ,患者中有 5 5例 (71 4 3% )为住校学生 ,住校生罹患率是走读生的 3 6 4倍。结论　报告迟缓 ,疫情蔓延历时 5 4d ,而学生普遍未进行甲肝疫苗接种 。Objective To study the factors of outbreak and control method of hepatitis A Methods All data of the epidemic situation of hepatitis A was analysed by descriptive epidemiology Results A total of 77 cases were found in this outbreak, and the attack rate was 120 1‰ Most cases(77 92%) occurred among children between 11～16 years, and 55 out of 77(71 43%) cases were students who living in school The attack rate for students lived in school was 3 64 times compared with that for students living at home Conclusions The outbreak lasted 54 d because of late reporting Most students were not vaccinated against hepatitis A,then accumulation of a large number of susceptible population was the direct reason of this hepatitis A outbreak

关 键 词：肝炎 甲型 暴发 流行病学分析 

分 类 号：R512.61[医药卫生—内科学]