Optimal economic evaluation is pivotal in prioritising the implementation of non-
pharmaceutical and pharmaceutical interventions in the control of diseases. Governments …

As people around the world work to stop the COVID-19 pandemic, mutated COVID-19 (Delta
strain) that are more contagious are emerging in many places. How to develop effective and …

In the present study, we develop a fractional Zika virus model with mutation, which causes
new birth problems in infected pregnant women and further spread in society. As a …

Since November 2021, there have been cases of COVID-19's Omicron strain spreading in
competition with Delta strains in many parts of the world. To explore how these two strains …

This work presents a new deterministic model which considers transmission mode through
blood transfusion and saturated treatment function with a view to gaining more insights into …

Fractional order and fractal order are mathematical tools that can be used to model real-
world problems. In order to demonstrate the usefulness of these operators, we develop a …

In this study, a deterministic mathematical model that explains the transmission dynamics of
corruption is proposed and analyzed by considering social influence on honest individuals …

COVID-19 is an infectious disease that causes millions of deaths worldwide, and it is the
principal leading cause of morbidity and mortality in all nations. Although the governments of …

In this study, a new mathematical model for human immunodeficiency virus (HIV) and
acquired immune deficiency syndrome (AIDS) featuring vertical transmission and nonlinear …

This work examines the impact of multiple vaccination strategies on the dynamics of COVID-
19 in a population using the Atangana-Baleanu derivative. The existence and uniqueness of …