北京市密云县莱姆病血清流行病学调查

Seroprevalence of lyme disease in Miyun county of Beijing,China

目的了解北京市密云地区人群莱姆病的感染状况以及传播媒介蜱相关知识状况。方法选取549人开展莱姆病血清流行病学调查,应用酶联免疫吸附测定试验(ELISA)对血液样本进行检测,并对调查对象开展问卷调查。结果共采集人群血清标本549份,伯氏疏螺旋体Ig G抗体阳性25份,阳性率4.55%;西田各庄地区感染率最高,为9.00%;大城子最低,为1.00%。仅有0.73%的人听说过莱姆病,86.70%的人认识蜱虫,48.82%的人在周围环境中发现蜱虫;28.96%的人明显有蜱叮咬史。结论北京市密云地区人群中存在莱姆病的感染;暴露人群蜱相关知识匮乏,个人防护能力较弱,容易感染莱姆病。

Objective To explore the seroprevalence and reveal the preventive knowledge of lyme disease in Miyun country of Beijing. Methods A seroepidemiological survey was carried out and consisted of 549 local residents. Blood samples of them were colleted and screened by ELISA. And the data from interview were used to assess the influence factors. Results In the sera of 549 subjects,25 subjects were tested positive for Ig G against B. burgdorferi antibodies. The seroprevalence revealed by ELISA was 4. 55%. Only 0. 73% of the subjects have heard of lyme disease,86. 70% of them could recognize the tick. 48. 82% of them had found ticks in the in the surrounding environments,and 28. 96% of them had an obvious tick bite history. Conclusion The Lyme disease cases are endemic in Miyun District of Beijing,with poor knowledge of tick. The people living in the area have arisk of infection.