宁夏健康人群甲型病毒性肝炎抗体水平调查

The investigation of hepatitis A antibody level in the health group in Ningxia

目的了解2010年宁夏人群甲型病毒性肝炎血清学的流行特征。方法采用分层随机抽样法在全区10个县(区),按照<1岁、1～岁、3～岁、5～岁、7～岁、15～岁、20～岁、25～岁、30～岁和≥35岁10个年龄组开展调查,共采集血标本1 209份,采用ELISA方法检测抗-HAV IgG抗体。结果宁夏人群甲肝抗体总阳性率为89.25%,存在地区差异性,中卫市最高为100%,固原市最低78.33%;人群中≥35年龄段最高为93.70%,7～14岁最低为84.29%。结论固原地区甲肝抗体水平较低,应特别加强薄弱地区,尤其是中小学生等集体人群的甲肝防控工作。

Objective To understand the serological epidemiological characteristic of Hepatitis A virus in Ningxia population in 2010. Methods Using stratified random sampling method, and the population was divided into 10 age groups according to the age as followed： 〈 1, 1-, 3 -, 5 -, 7 - , 15- , 20 -, 25- , 30- and 35 years old. At the begin investigation in the 10 counties of the region, 1209 cases of blood specimen were collected, ELISA method was used to detect the Anti - HAV IgG antibody. Results Hepa- titis A antibody positive rate was 89.25% in Ningxia which exist the regional differences. Zhongwei city was the highest of 100%, the Guyuan city was minimum of 78.33%. The crowd of 35 ages of up to was 93.70%, and 7 - 14 years was minimum by 84.29%. Conclusion Hepatitis A antibody levels is low in Guyuan area. We should particularly strengthen weak areas, particularly for primary and secondary school students and other groups of hepatitis a prevention and control work.