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监测结果显示，１９９８ 年四川省约有 ８ 万血吸虫病感染者，较 １９９７ 年增加 ４７％ ，主要原因是低度流行区感染率上升 １４ 倍。经过 ７ 年干预，全省重、中度流行区范围缩小，病人数下降５７％ ，人群感染度下降６３％ ，牛感染率下降６４％ ，钉螺感染率下降 ８２％ ，达到了项目的总目标。这主要取决于高、中度流行区干预成效，感染率被迅速控制到１０％ 和５％ 以内。而低度流行区干预措施则不能控制传播，与干预前相比，病人上升约 １７ 倍，病牛上升约５ 倍。提示：一旦高、中度流行区化疗覆盖面下降或终止化疗，感染将很快回升；在感染得到有效控制后，必须将控制策略转向阻断传播，才能巩固防治成果
Monitoring results showed that in 1998, about 80,000 schistosomiasis patients were infected in Sichuan Province, an increase of 47% over 1997, mainly due to an increase of 1.4 times the infection rate in low endemic areas. After seven years of intervention, the area of heavy and moderate endemic areas in the province narrowed. The number of patients dropped 57%, the population infection rate dropped 63%, the cattle infection rate dropped 64% and the snail infection rate dropped 82%, reaching the overall goal of the project. This mainly depends on the effectiveness of interventions in high and moderate endemic areas, and the infection rate is promptly controlled to within 10% and 5%. However, interventions in areas with low endemic areas failed to control the spread, with the number of patients rising about 17 times and that of cattle increasing about 5 times compared with those before intervention. Tip: once high and moderate endemic areas of chemotherapy coverage decreased or termination of chemotherapy, infection will soon rise; effective control in the infection, the control strategy must be turned to block the spread in order to consolidate the prevention and treatment results