Background: Post-pandemic surveillance data on COVID-19 infections may help inform
future public health policies regarding SARS-CoV-2 testing, vaccinations or other COVID-19 …

We examine here the effects of recurrent vaccination and waning immunity on the
establishment of an endemic equilibrium in a population. An individual-based model that …

In the current paper we analyse an extended SIRS epidemic model in which immunity at the
individual level wanes gradually at exponential rate, but where the waning rate may differ …

The COVID-19 pandemic has significantly impacted global health, social, and economic
situations since its emergence in December 2019. The primary focus of this study is to …

The worldwide resurgence of measles outbreaks, particularly in western nations, has
become a serious global health concern. Often, it fails to meet the regional measles …

We study an individual-based stochastic epidemic model in which infected individuals
become susceptible again, after each infection. In contrast to classical compartment models …

In the dynamic landscape of contemporary society, the popularity of ideas, opinions, and
interests fluctuates rapidly. Traditional dynamical models in social sciences often fail to …

Homeostasis occurs in a biological system when a chosen output variable remains
approximately constant despite changes in an input variable. In this work we specifically …

We study an individual-based stochastic epidemic model in which infected individuals
gradually become susceptible again following each infection (generalized SIS model). The …

The spread of the COVID-19 pandemic became a global concern after the outbreak was first
reported in Wuhan, China in December 2019. This pandemic had a serious impact on public …