But the vermifuge only made the child look paler.
可是这种驱虫剂却使韦德越来越苍白.
Results Parasite infection rate of students decreased obviously, general positive rate of verminosis droped 33%-55% and positive rate of ascarid droped 32%-35% by propaganda, excrement test and collective vermifuge measure after project.
结果项目实施后,通过宣传教育、粪检和集体驱虫,学生寄生虫感染的总阳性率下降了33%~55%;蛔虫卵的阳性率下降了32%~52%。
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