经多年防治，江都市吴堡乡，特别是几个试点村居民的肠线虫感染程度已显著下降。１９９７年和１９９９年抽查的５个行政村中，已有２个村达到无蛔虫感染，鞭虫感染率亦已降为１％以下；而相比之下，钩虫感染程度虽亦已明显降低，但仍相对较高。为此，我们曾有针对性地对当地钩? After years of prevention and treatment, the degree of intestinal nematode infection in Wubao Township, especially in several pilot villages in Jiangdu City, has dropped significantly. Of the 5 administrative villages sampled in 1997 and 1999, 2 villages had no roundworm infection, and the whipworm infection rate had dropped below 1%. In contrast, although the infection rate of hookworm was significantly reduced, But still relatively high. To this end, we have targeted the local hook?