Over the past years there has been an increasing trend in the application of mathematical models in the studies and control of infectious disease. With development of computing technologies and increasing access to them, it becomes appealing for public health professionals to use mathematical models in their work. In this paper based on our previous experience working on environmental determinants and control of schistosomiasis in the hilly and mountainous regions of Sichuan Province, we introduce principles and basic procedures in building a mathematical model for schistosomiasis transmission; we then illustrate the use of a mathematical model to integrate data from diverse sources and to aid in designing control strategies, assessing progress, and evaluating surveillance programs.
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