世界卫生组织、血吸虫病及丝虫病合作中心,依据历年的调查,钩虫、蛔虫、鞭虫等肠道寄生虫病为我国农村的常见病、多发病。感染通常取慢性过程,一般无明显表现,常被忽视,但潜在危害较大,可引起营养不良,尤可影响儿童的体格及智力的正常发育。引起营养不良的因素很多,一般情况下常与感染同时存在。在进行肠道寄生虫感染与营养不良关系的调查时,必须排除一些与营养有关的其它感染,如结核病、疟疾、黑热病等,必要时可同时进行调查。还要注意记录一些维生素缺乏的体征或作必要的实验室检查,以弄清是膳食原因,抑或由于寄生虫感染所诱发。 World Health Organization, schistosomiasis and filariasis cooperation center, based on surveys over the years, hookworm, roundworm, whipworm and other intestinal parasitic diseases of common diseases in rural China, frequently-occurring disease. Infection usually takes the chronic process, generally no obvious manifestation, often overlooked, but potentially more harmful, can cause malnutrition, especially affect children’s physical and mental development. Many factors that cause malnutrition, under normal circumstances often exist with the infection. In the investigation of the relationship between intestinal parasitic infections and malnutrition, other nutrition-related infections, such as tuberculosis, malaria, kala-azar, etc., must be excluded and, if necessary, simultaneously investigated. Also note that some signs of vitamin deficiency or laboratory tests necessary to clarify the cause of diet, or due to parasitic infection induced.