Epidemic predictability in meta-population models with heterogeneous couplings:: The impact of disease parameter values

被引:8
作者
Colizza, V. [1 ,2 ,3 ]
Barrat, A. [1 ,4 ]
Barthelemy, M. [5 ]
Vespignani, A. [2 ,3 ]
机构
[1] ISI, CNLL, I-10133 Turin, Italy
[2] Indiana Univ, Sch Informat, Bloomington, IN 47408 USA
[3] Indiana Univ, Biocomplex Inst, Bloomington, IN 47408 USA
[4] Univ Paris 11, CNRS, UNR 8627, Phys Theor Lab, Orsay, France
[5] Ctr Etud Bruyeres Le Chatel, CEA DIF, F-91680 Bruyeres Le Chatel, France
来源
INTERNATIONAL JOURNAL OF BIFURCATION AND CHAOS | 2007年 / 17卷 / 07期
基金
美国国家科学基金会;
关键词
epidemiology; complex networks; stochastic noise; predictability;
D O I
10.1142/S0218127407018567
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
We study the predictability of epidemic forecasts in a data-driven meta-population model considering the complete air transportation system and the associated urban areas. We de. ne the predictability as the robustness of the system evolution with respect to the stochastic fluctuations. As a quantitative measure of predictability we consider the information similarity of the time series characterizing different epidemic outbreaks with the same initial conditions. We study the predictability as a function of the parameters describing the basic susceptible-latent-infected and recovered disease dynamics. We find that the overall predictability is determined by the level of sampling of the underlying travel pattern by infected and latent individuals.
引用
收藏
页码:2491 / 2500
页数:10
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