Analysis of a waterborne disease model with socioeconomic classes

•We present a heterogeneous model of waterborne disease transmission incorporating multiple socioeconomic classes (SECs).•We consider multiple timescales for movement between SECs.•We show that interventions may be needed in both low and high SECs to control and eradicate disease. Waterborne disease...

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Bibliographic Details
Published in:Mathematical biosciences 2015-11, Vol.269, p.86-93
Main Authors: Collins, O.C., Robertson, Suzanne L., Govinder, K.S.
Format: Article
Language:English
Subjects:
Basic Reproduction Number
Cholera
Cholera - epidemiology
Cholera - transmission
Computer Simulation
Disease dynamics
Heterogeneity
Humans
Mathematical Concepts
Models, Biological
Risk Factors
Socioeconomic Factors
Socioeconomic status
Waterborne Diseases - epidemiology
Waterborne Diseases - transmission
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Summary:•We present a heterogeneous model of waterborne disease transmission incorporating multiple socioeconomic classes (SECs).•We consider multiple timescales for movement between SECs.•We show that interventions may be needed in both low and high SECs to control and eradicate disease. Waterborne diseases such as cholera continue to pose serious public health problems in the world today. Transmission parameters can vary greatly with socioeconomic class (SEC) and the availability of clean water. We formulate a multi-patch waterborne disease model such that each patch represents a particular SEC with its own water source, allowing individuals to move between SECs. For a 2-SEC model, we investigate the conditions under which each SEC is responsible for driving a cholera outbreak. We determine the effect of SECs on disease transmission dynamics by comparing the basic reproduction number of the 2-SEC model to that of a homogeneous model that does not take SECs into account. We conclude by extending several results of the 2-SEC model to an n-SEC model.
ISSN:0025-5564
1879-3134
DOI:10.1016/j.mbs.2015.08.016