The spread of COVID-19 to more than 200 countries has shocked the public. Therefore,
understanding the dynamics of transmission is very important. In this paper, the COVID-19 …

In this paper, we developed HIV/AIDS mathematical model which comprises important
compartments such as individuals with aware and unaware susceptible, undiagnosed HIV …

The COVID-19 pandemic has ravaged almost every part of the world, causing severe loss of
life and economic damage to the world economy. This study proposes a mathematical …

Infectious diseases can have a significant economic impact, both in terms of healthcare
costs and lost productivity. This can be particularly significant in develo** countries, where …

Asymptomatic carriers play an important role in modelling infectious diseases. Asymptomatic
infected people have no symptoms but can infect other people and spread the disease …

A mathematical epidemiological model for the transmission of Hepatitis B virus in the frame
of fractional derivative with harmonic mean type incidence rate is proposed in this article …

In this paper, a mathematical model of hepatitis B disease with a two‐dose vaccine series
has been formulated and analyzed. We demonstrated that the model's disease‐free …

In this article, a mathematical model for hypertensive or diabetic patients open to COVID-19
is considered along with a set of first-order nonlinear differential equations. Moreover, the …

Prioritizing control implementation for dengue prevention and control for efficiency and cost
benefits is crucial to the government, decision-makers, and policymakers, particularly in …

Rift Valley fever (RVF) is an emerging viral infectious disease capable of infecting livestock
and human populations. Owing to possible delay in RVF diagnosis, as well as its potential …