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目的 分析杭州市 1991～ 1998年疟疾发病情况。方法 对全市 12个监测点的“三热”病人进行被动监测 ,采用吉氏染色 -油镜进行血涂片检查 ;对流动人口进行主动监测 ,进行间接荧光抗体 (IFA)实验的血清学检查。结果 发病率均在 1/ 10万以下 ,外来人口疟疾输入病例增加 ,“三热”病人检出疟原虫阳性率为 0 .35 % ,流动人口 IFA监测阳性率为 0 .6 1%。结论 输入病例不断增多是疟防工作的最大隐患。
Objective To analyze the incidence of malaria in Hangzhou from 1991 to 1998. Methods The “three fever” patients in 12 monitoring sites of the city were monitored passively. Blood smears were examined with Giemsa staining - oil mirror. The floating population was monitored actively and serological tests were performed by indirect fluorescent antibody (IFA). Results The morbidity was less than 1/10000. The imported cases of malaria increased from 0 to 35%. The positive rate of IFA in floating population was 0.61%. Conclusion The increasing incidence of imported cases is the biggest potential threat to malaria prevention.