Abstract:
This paper investigates the dynamical properties of mathematical models for COVID-19
transmission, with a focus on understanding the behavior and stability of various model
configurations. We analyze a suite of compartmental models, including the Susceptible-ExposedInfectious-Recovered-Susceptible
(SEIRS) models, incorporating factors like latency periods,
varying transmission rates, and the impact of interventions. Using techniques from dynamical
systems theory, we perform stability analysis to determine the conditions under which
equilibrium exist and whether they are stable or unstable. Our analysis reveals critical thresholds
for reproduction numbers and provides insights into how changes in parameters, such as
infection rates and recovery times, affect the long-term dynamics of the epidemic. Numerical
simulations further illustrate the transient and asymptotic behavior of the system. The results
underscore the importance of timely interventions and adaptive strategies in managing the spread
of COVID-19, offering valuable guidance for predicting and controlling future outbreaks.