期刊
BULLETIN OF MATHEMATICAL BIOLOGY
卷 66, 期 5, 页码 1027-1037出版社
SPRINGER
DOI: 10.1016/j.bulm.2003.11.001
关键词
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Epidemiologists are interested in using models that incorporate the effects of clustering in the spatial pattern of disease on epidemic dynamics. Bolker (1999, Bull. Math. Biol. 61, 849-874) has developed an approach to study such models based on a moment closure assumption. We show that the assumption works above a threshold initial level of disease that depends on the spatial dispersal of the pathogen. We test an alternative assumption and show that it does not have this limitation. We examine the relation between lattice and continuous-medium implementations of the approach. (C) 2003 Society for Mathematical Biology. Published by Elsevier Ltd. All rights reserved.
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