作者对双萘羟酸噻嘧啶驱除美洲钩虫的效果和一嗅二萘酚作比较试验,并观察了疗效和感染度的关系。本实验在农村中进行。居民根据粪检钩虫感染率在8.9%～42.9%之间,用培养法证明全系美洲钩虫。以每克大便中的钩虫幼虫数作为感染度,其中<1,000/克粪者占95%,属轻度感染。根据感染度分为3个组,第1组病例每克大便的钩虫幼虫 The authors tested the efficacy of pyraninol dinaphthalene in exterminating the hookworm and a sniffing of naphthol, and observed the relationship between efficacy and degree of infection. This experiment is carried out in rural areas. Residents according to fecal examination hookworm infection rate of 8.9% ~ 42.9%, with the culture method to prove that the whole line of hookworms. The number of hookworm larvae per gram of stool was taken as the degree of infection, of which <1,000 / gram of dung accounted for 95%, which was a mild infection. According to the degree of infection is divided into 3 groups, the first group of cases per gram of stool hookworm larvae