The origin of the COVID-19 pandemic has given overture to redirection, as well as
innovation to many digital technologies. Even after the progression of vaccination efforts …

Mathematical modeling has played a prominent and necessary role in the current
coronavirus disease 2019 (COVID-19) pandemic, with an increasing number of models …

In this paper, an extended SEIR model with a vaccination compartment is proposed to
simulate the novel coronavirus disease (COVID-19) spread in Saudi Arabia. The model …

When effective medical treatment and vaccination are not available, non-pharmaceutical
interventions such as social distancing, home quarantine and far-reaching shutdown of …

In this paper, a mathematical model of the COVID-19 pandemic with lockdown that provides
a more accurate representation of the infection rate has been analyzed. In this model, the …

The COVID-19 pandemic is a serious threat to all of us. It has caused an unprecedented
shock to the world's economy, and it has interrupted the lives and livelihood of millions of …

The COVID-19 pandemic is challenging nations with devastating health and economic
consequences. The spread of the disease has revealed major geographical heterogeneity …

This work examines the impacts of self-isolation and hospitalization on the population
dynamics of the Corona-Virus Disease. We developed a new nonlinear deterministic model …

We introduce an extended SEIR infectious disease model with data assimilation for the
study of the spread of COVID-19. In this framework, undetected asymptomatic and pre …

A small number of individuals infected within a community can lead to the rapid spread of
the disease throughout that community, leading to an epidemic outbreak. This is even more …