A metapopulation model for chikungunya including populations mobility on a large-scale network

被引：22
|
作者：
Moulay, Djamila [1 ]
Pigne, Yoann [2 ]
机构：
[1] Normandy Univ, LMAH, Le Havre, France
[2] Normandy Univ, LITIS, Le Havre, France
来源：
JOURNAL OF THEORETICAL BIOLOGY | 2013年 / 318卷
关键词：
Complex networks; Epidemiological models; Human mobility models; Metapopulation; MATHEMATICAL-MODEL; EPIDEMIC MODEL; VECTOR; SPREAD; PERSISTENCE; INFECTION; MOVEMENT; DISEASES; MOSQUITO;
D O I：
10.1016/j.jtbi.2012.11.008
中图分类号：
Q [生物科学];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
In this paper we study the influence of populations mobility on the spread of a vector-borne disease. We focus on the chikungunya epidemic event that occurred in 2005-2006 on the Reunion Island, Indian Ocean, France, and validate our models with real epidemic data from the event. We propose a metapopulation model to represent both a high-resolution patch model of the island with realistic population densities and also mobility models for humans (based on real-motion data) and mosquitoes. In this metapopulation network, two models are coupled: one for the dynamics of the mosquito population and one for the transmission of the disease. A high-resolution numerical model is created from real geographical, demographical and mobility data. The Island is modeled with an 18,000-nodes metapopulation network. Numerical results show the impact of the geographical environment and populations' mobility on the spread of the disease. The model is finally validated against real epidemic data from the Reunion event. (C) 2012 Elsevier Ltd. All rights reserved.
引用
收藏
页码：129 / 139
页数：11
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