An SEIR model with infected immigrants and recovered emigrants

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Date

2021

Journal Title

Journal ISSN

Volume Title

Publisher

Springer Science and Business Media Deutschland GmbH

Abstract

We present a deterministic SEIR model of the said form. The population in point can be considered as consisting of a local population together with a migrant subpopulation. The migrants come into the local population for a short stay. In particular, the model allows for a constant inflow of individuals into different classes and a constant outflow of individuals from the R-class. The system of ordinary differential equations has positive solutions and the infected classes remain above specified threshold levels. The equilibrium points are shown to be asymptotically stable. The utility of the model is demonstrated by way of an application to measles. © 2021, The Author(s).

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Keywords

Basic reproduction number, Imported infection, Measles, Recovered immigrant, Stable equilibrium, SEIR model, Infection, Infected, Immigrants, Migrant subpopulation, Differential equations, Epidemic Model, Nonlinear Incidence Rate, Globally Asymptotically Stable

Citation

Witbooi, Peter J. 2021. An SEIR model with infected immigrants and recovered emigrants, in Advances in Difference Equations, issue 1, 2021, Article number 337. DOI :10.1186/s13662-021-03488.