A metapopulation model for sylvatic  T. cruzi transmission with vector migration | Zendy

Britnee A. Crawford | Zendy; Christopher M. Kribs-Zaleta | Zendy

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A metapopulation model for sylvatic <em> T. cruzi</em> transmission with vector migration

Author(s) -

Britnee A. Crawford,

Christopher M. Kribs-Zaleta

Publication year - 2014

Publication title -

mathematical biosciences and engineering

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.451

H-Index - 45

eISSN - 1551-0018

pISSN - 1547-1063

DOI - 10.3934/mbe.2014.11.471

Subject(s) - metapopulation , vector (molecular biology) , transmission (telecommunications) , biology , trypanosoma cruzi , basic reproduction number , epidemic model , persistence (discontinuity) , parasite hosting , population , demography , computer science , biological dispersal , genetics , telecommunications , engineering , geotechnical engineering , sociology , world wide web , gene , recombinant dna

This study presents a metapopulation model for the sylvatic transmission of Trypanosoma cruzi, the etiological agent of Chagas' disease, across multiple geographical regions and multiple overlapping host-vector transmission cycles. Classical qualitative analysis of the model and several submodels focuses on the parasite's basic reproductive number, illustrating how vector migration across patches and multiple transmission routes to hosts (including vertical transmission) determine the infection's persistence in each cycle. Numerical results focus on trends in endemic [equilibrium] persistence levels as functions of vector migration rates, and highlight the significance of the different epidemiological characteristics of transmission in each of the three regions.

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