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Ⅰ. Principle: The combined action of all the effective approaches to reduce the prevalence and intensity of the intestinal nematodiasis (IN) including Ascaris, hookworm and whipworm infections, chiefly by chemotherapy, health education and lavatory reformation is to minimize the dangerous effect of infection and lower the morbidity. Ⅱ. Chemotherapy: According to the severity of infection three kinds of chemotherapy may be adopted. 1. selective chemotherapy In the population with heavy and moderate infection of IN (infection rate>
Ⅰ. Principle: The combined action of all the effective approaches to reduce the prevalence and intensity of the intestinal nematodiasis (IN) including Ascaris, hookworm and whipworm infections, chiefly by chemotherapy, health education and lavatory reformation is to minimize the dangerous effect of infection and lower the morbidity. Ⅱ. Chemotherapy: According to the severity of infection three kinds of chemotherapy may be adopted. 1. selective chemotherapy In the population with heavy and moderate infection of IN (infection rate>