1998年3月，安庆市卫生防疫站对潜山县疟疾漏报率开展调查，现将调查结果报告如下。一、调查方法根据近3年疟疾发病和防治工作开展情况，抽样选择2个发病率较高的乡和2个发病率较低的乡，再以每个乡整群抽取行政村各1个，查阅县医院、乡（镇）卫生院1997年7～9月的门诊处方，传 In March 1998, Anqing Municipal Health and Epidemic Prevention Station conducted a survey on the omission rate of malaria in Qianshan County. The results of the investigation are reported as follows. First, the survey method According to the incidence of malaria in recent 3 years and the prevention and treatment of the situation, the sample selected 2 higher incidence of rural and 2 lower incidence of rural areas, and then each township cluster 1, Check the county hospital, township (town) hospitals in 1997 July to September outpatient prescription, pass