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肠线虫病防治取得一定成效后，必然要经历低感染期这一进程，采取什么对策方能更科学、有效地达到控制？除继续采取健康教育、粪便管理和环境卫生等必要措施外，本文报道对人群进行目标化疗为加速控制肠线虫病取得了显著成效，是一种既节省药物又减少工作量的新措施。经连续二年对当地人群中20％左右的目标人群进行化疗，使当地人群肠线虫总感染率降到3．21％，其中蛔虫平均感染率仅0．07％、鞭虫0．67％、钩虫2．61％，并出现了两个无蛔虫村；而对照村的肠线虫总感染率下降不明显。
Intestinal nematode disease prevention and treatment have achieved some success, it is inevitable to experience this process of low infection period, to take any countermeasures to achieve more scientific and effective control? Apart from the necessary measures such as health education, manure management and sanitation, this article reports that targeted chemotherapy in the population has achieved remarkable results in accelerating the control of intestinal nematode disease. It is a new measure to save both drugs and workload. After two consecutive years of local population of about 20% of the target population chemotherapy, so that local populations of intestinal nematode infection rate dropped to 3.21%, of which roundworm average infection rate of only 0.07%, whipworm 0.67% Hookworm 2.61%, and there are two non-roundworm village; and control village intestinal worm infection rate was not significantly reduced.