Epidemic Population Games With Nonnegligible Disease Death Rate
Jair Certorio, Nuno C. Martins, Richard J. La

TL;DR
This paper extends a population game model for epidemics to include nonnegligible disease death rates, resulting in more complex dynamics and a method to approximate the peak infectious population with convex optimization.
Contribution
It generalizes previous models to account for significant disease death rates, introducing new coupling terms and an approximation method for the epidemic peak.
Findings
Inclusion of disease death rate complicates the model dynamics.
Upper bounds on infectious peak can be approximated via convex programs.
The generalized model provides more realistic epidemic predictions.
Abstract
A recent article that combines normalized epidemic compartmental models and population games put forth a system theoretic approach to capture the coupling between a population's strategic behavior and the course of an epidemic. It introduced a payoff mechanism that governs the population's strategic choices via incentives, leading to the lowest endemic proportion of infectious individuals subject to cost constraints. Under the assumption that the disease death rate is approximately zero, it uses a Lyapunov function to prove convergence and formulate a quasi-convex program to compute an upper bound for the peak size of the population's infectious fraction. In this article, we generalize these results to the case in which the disease death rate is nonnegligible. This generalization brings on additional coupling terms in the normalized compartmental model, leading to a more intricate…
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Taxonomy
TopicsCOVID-19 epidemiological studies · Mathematical and Theoretical Epidemiology and Ecology Models · Evolution and Genetic Dynamics
