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有关疟疾造成的经济影响的研究已有很多报道。间接的影响往往比直接影响的损失更大,且很难加以定量评估。疟疾对学龄儿童的影响即是这种间接的经济影响之一。 为了确定在校学生的缺课情况,用以下
Much has been reported about the economic impact of malaria. Indirect effects tend to be more lossy than direct effects and are difficult to quantify. The impact of malaria on school-age children is one of these indirect economic effects. In order to determine the absence of school students, use the following