期刊
EUROPHYSICS LETTERS
卷 72, 期 2, 页码 315-321出版社
IOP Publishing Ltd
DOI: 10.1209/epl/i2004-10550-5
关键词
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Social networks have the structure of communities. To understand how the community structure affects epidemic spreading, we present a simplified model of community network, and investigate the epidemic propagation in this model. We find that, compared to the random network, the community network has a broader degree distribution, a smaller threshold of epidemic outbreak, and more prevalence to keep the outbreak endemic. The formulae of epidemic threshold are given and confirmed by numerical simulations.
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