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1992－1996年对江西省不同流行程度疫区进行了纵向观察，认为现行以化疗为主的综合措施能有效地控制轻、中度疫区的病情，而对重度流行区、特别是其中的高危人群（频繁接触疫水者）效果较差，且在诸多因素影响下会出现严重反弹。另据防治试点8年观察结果，并经拟合检验，血吸虫病高危人群遵从负二项分布，有家庭聚集性。由此提出，在重疫区需特别注意对高危人群的普治，受治率要求95％以上，以期提高正日益下降的化疗复盖率。
From 1992 to 1996, a longitudinal survey was conducted on epidemic areas of different epidemic proportions in Jiangxi Province. It is concluded that the current comprehensive chemotherapy-based measures can effectively control the conditions of light and moderate epidemic areas, while the severe epidemic areas, especially the high-risk areas, People, who are exposed to frequent infants, are less effective and will experience a severe rally under the influence of many factors. According to the prevention and treatment pilot 8-year observation results, and after fitting test, schistosomiasis high risk population to comply with negative binomial distribution, family aggregation. Therefore, it is suggested that special attention should be paid to the popularization of high-risk populations in the endemic areas and the treatment rate should be above 95% in order to increase the declining rate of chemotherapy coverage.