Time scale theory on stability of explicit and implicit discrete epidemic models: applications to Swine flu outbreak

Time scales theory has been in use since the 1980s with many applications. Only very recently, it has been used to describe within-host and between-hosts dynamics of infectious diseases. In this study, we present explicit and implicit discrete epidemic models motivated by the time scales modeling ap...

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Bibliographic Details
Published in:Journal of mathematical biology 2024-01, Vol.88 (1), p.6-6, Article 6
Main Authors: Yeni, Gülşah, Akın, Elvan, Vaidya, Naveen K.
Format: Article
Language:English
Subjects:
Animal models
Animals
Applications of Mathematics
Basic Reproduction Number
Communicable Diseases - epidemiology
Disease Outbreaks
Epidemic models
Epidemics
Humans
Infectious diseases
Influenza
Influenza, Human - epidemiology
Liapunov functions
Mathematical and Computational Biology
Mathematical models
Mathematics
Mathematics and Statistics
Models, Biological
Outbreaks
Parameter sensitivity
Public health
Sensitivity analysis
Stability
Swine
Time
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Summary:Time scales theory has been in use since the 1980s with many applications. Only very recently, it has been used to describe within-host and between-hosts dynamics of infectious diseases. In this study, we present explicit and implicit discrete epidemic models motivated by the time scales modeling approach. We use these models to formulate the basic reproduction number, which determines whether an outbreak occurs or the disease dies out. We discuss the stability of the disease-free and endemic equilibrium points using the linearization method and Lyapunov function. Furthermore, we apply our models to swine flu outbreak data to demonstrate that the discrete models can accurately describe the epidemic dynamics. Our comparison analysis shows that the implicit discrete model can best describe the data regardless of the data frequency. In addition, we perform the sensitivity analysis on the key parameters of the models to study how these parameters impact the basic reproduction number.
ISSN:0303-6812
1432-1416
DOI:10.1007/s00285-023-02015-2