本文讨论了人们对血吸虫感染、传播动力学及防治的认识缺陷,以及由此而建立模型的可行性。通过模型可以更好地了解现行防治措施的效果(特别对反复治疗的效果)以及生物和社会经济因素对感染、传播和发病的相互影响。用虫卵计数检测感染率和感染度是有缺陷的。新近发展的虫卵数变化的模型,有助于更好地解释调查资料,提示被低估了的流行社区真实的感染率和虫负荷。 This article discusses the people’s awareness of schistosomiasis infection, transmission kinetics and prevention of defects, as well as the feasibility of establishing a model. The model provides a better understanding of the effects of current control measures (particularly on the effects of repeated treatments) and the interplay between biological and socio-economic factors on infection, transmission and morbidity. The detection of infection rates and infectivity with egg counts is flawed. The newly developed model of changes in the number of eggs helps to better explain the survey data, suggesting the true prevalence and insect burden of under-estimated epidemic communities.