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The effect of global travel on the spread of SARS

1. Department of Mathematics, University of Miami, Coral Gables, FL 33124-4250
2. Department of Mathematics, Southwest Normal University, Chongqing 400715, PR
3. Department of Ecology and Evolutionary Biology, Princeton University, Princeton, NJ 08544

The goal of this paper is to study the global spread of SARS. We propose a multiregional compartmental model using medical geography theory (central place theory) and regarding each outbreak zone (such as Hong Kong, Singapore, Toronto, and Beijing) as one region. We then study the effect of the travel of individuals (especially the infected and exposed ones) between regions on the global spread of the disease.
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