Conclusion Variation function model about HFRS incidence rate showed transformation process in spatial structure of HFRS infection focus in the last 30 years...

• 结论HFRS发病率的变异函数模型显示了山东省30年来HFRS疫源地空间结构经历了由简单到复杂,再由复杂到简单的变化过程。