海淀区2000年人群甲型肝炎血清流行病学调查  

A Sero-epidemiological Investigation of Hepatitis in Haidian,2000

作　　者：孙培源[1] 谢辉[1] 孙力[1] 郭菁[1] 程显欣[1] 秦安莉[1] 张泽生[1] 李洋[1] 刘斌[1] 

机构地区：[1]北京市海淀区卫生防疫站,北京海淀100086

出　　处：《疾病监测》2002年第5期167-170,共4页Disease Surveillance

摘　　要：为探索当前甲肝流行规律 ,了解甲肝疫苗接种现况 ,在 2 0 0 0年 10月对市区、城乡接合部、农村、流动人口的 4 0 4人进行甲肝血清流行病学调查。结果表明本区人群甲肝自然感染率为 6 2 95 % ,甲肝疫苗接种率11 5 0 % ,1- 19岁甲肝疫苗接种率 17 70 %。年龄感染高峰 2 0 - 2 4岁组 ,自然感染率为 80 5 0 % ,最低为 5 - 9岁组 ,自然感染率仅为 2 7 2 7%。地区感染无差异。流动人口自然感染率随年龄上升而升高 ,总的感染率为 5 0 % ,甲肝疫苗接种率 9 89%。调查证实全区人群中约 1/ 3为易感人群 ,而 5 - 9岁组人群属免疫低屏障人群 ,因此 ,本区仍有发生甲肝流行的可能 ,全区甲肝防治的重点人群为小学生。? In order to search sanitation the strategy of the control of hepatitis A and to learn the present situation of vaccination, a sero-epidemiological investigation was made in October 2000. This investigation sruveyed 404 persons who were from different areas and floated in Haidian. Its natural infection rate of Hepatitis A was 62 95%, the highest 80.5% was in 24-24 years old group and the lowest 27.27% was in 5-9 age group. The natural infection rate of different region had not distinct diversity. The inoculate rate of Hepatitis A was 11.50%, and in 1-19 years age group was 17.70%. Both the natural infection rate in floatod people was increased with the age, the mean rate was 50% and the inoculation rate was 9.89%. From this investigation, it was confirmed that about 1/3 person in Haidian are susceptible to Hepatitis A, and children in 5-9age have not enough munity to Hepatitis A. In conclusion, the epidemic possibility of Hepatitis A is still exist and people should put more attention to it. The prevention and control of Hepatitis A of flating people should be more ruled and strengthenest. 〔

关 键 词：甲型肝炎 感染率 抗一HAV 调查 

分 类 号：R181.3[医药卫生—流行病学]