广州市1起登革热境外感染事件的调查与分析

Investigation and Analysis on Imported Dengue Fever Infection in Guangzhou

〔目的〕通过对1起登革热境外感染事件的调查与分析,评价广州市登革热监测系统的有效性及探讨应对该类事件的处理模式,为传染病的预防与控制提供参考。〔方法〕对广州市2007年发生的1起登革热境外感染事件进行现场流行病学调查,被调查者的血清标本采用酶联免疫吸附试验(ELISA)进行登革热抗体检测。〔结果〕某电力公司23名员工在柬埔寨工作期间,有11人感染登革病毒,罹患率47.8%(11/23),其中10人在柬埔寨期间发病,1人返回广州后2d发病。23人中有14人登革热抗体阳性。〔结论〕该起事件为1起登革热境外感染事件,广州市通过登革热监测信息系统及时发现了疫情,并进行了有效处理,防止了境外疫情在国内的进一步扩散和蔓延。

Objective To iuvcstigate and analyze Dengue fever infected affairs, to evaluate efficacy of the surveillance system of Dengue Fever, and study the treatment model, and to provide references for prevention and control infectious diseases. Method An imported infection affair of DF in Guangzhou was investigated in 2007 by field epidemic method. The human serum samples were detected by ELISA method. Result 11 among 23 staff in a power company in Guangzhou infected with dengue virus when they worked in Cambodia. The attack rate was 47.8%（11/23）. In which, 10 cases has fallen ill in Cambodia and fully recovered from an illness before they returned to China, 1 case falled ill after 2 days when he came back Guangzhou. Conclusion This incident is an imported Dengue Fever infection affair. Dengue Fever is detected and reported timely by the surveiUance system of Dengue Fever in Guangzhou. The infectious disease is controlled effectively by the timely treatment.