[HTML][HTML] A fractional derivative modeling study for measles infection with double dose vaccination

OJ Peter, ND Fahrani, CW Chukwu - Healthcare Analytics, 2023 - Elsevier
This study proposes a novel mathematical framework to study the spread dynamics of
diseases. A measles model is developed by dividing the vaccinated compartment into the …

Long-term monitoring of SARS-CoV-2 seroprevalence and variants in Ethiopia provides prediction for immunity and cross-immunity

S Merkt, S Ali, EK Gudina, W Adissu, A Gize… - Nature …, 2024 - nature.com
Under-reporting of COVID-19 and the limited information about circulating SARS-CoV-2
variants remain major challenges for many African countries. We analyzed SARS-CoV-2 …

[HTML][HTML] Crossover behaviors via piecewise concept: a model of tumor growth and its response to radiotherapy

İA Arık, Sİ Araz - Results in Physics, 2022 - Elsevier
This study aims to combine 3 different models, which take into account the pre-treatment,
during the treatment and post-treatment processes of the tumor growth, with the piecewise …

Impact of vaccine measures on the transmission dynamics of COVID-19

H Liu, X Han, X Lin, X Zhu, Y Wei - PLoS One, 2023 - journals.plos.org
In many nations, efforts to prevent and control COVID-19 have been significantly impeded by
the SARS-CoV-2 virus ongoing mutation. The Omicron strain, a more recent and prevalent …

On the modeling of COVID-19 transmission dynamics with two strains: insight through caputo fractional derivative

Fatmawati, E Yuliani, C Alfiniyah, ML Juga… - Fractal and …, 2022 - mdpi.com
The infection dynamics of COVID-19 is difficult to contain due to the mutation nature of the
SARS-CoV-2 virus. This has been a public health concern globally with the impact of the …

Dynamic analysis and optimal control of COVID-19 with comorbidity: A modeling study of Indonesia

MA Rois, Fatmawati, C Alfiniyah… - Frontiers in Applied …, 2023 - frontiersin.org
Comorbidity is defined as the coexistence of two or more diseases in a person at the same
time. The mathematical analysis of the COVID-19 model with comorbidities presented …

On the modeling of Covid-19 spread via fractional derivative: a stochastic approach

E Bonyah, ML Juga, LM Matsebula… - Mathematical Models and …, 2023 - Springer
Abstract The coronavirus disease (COVID-19) pandemic has caused more harm than
expected in developed and developing countries. In this work, a fractional stochastic model …

A mathematical study of the omicron variant in a discrete-time Covid-19 model

MH DarAssi, S Damrah, Y AbuHour - The European Physical Journal Plus, 2023 - Springer
The Covid-19 virus group is one of the most groups of viruses that influenced the life of
mankind in the past twenty years. A review of previous models was presented. In this work …

New Coronavirus (2019-nCov) Mathematical Model Using Piecewise Hybrid Fractional Order Derivatives; Numerical Treatments

NH Sweilam, SM AL-Mekhlafi, SM Hassan… - Mathematics, 2022 - mdpi.com
A new mathematical model of Coronavirus (2019-nCov) using piecewise hybrid fractional
order derivatives is given in this paper. Moreover, in order to be consistent with the physical …

Risk estimation of lifted mask mandates and emerging variants using mathematical model

Y Ko, VM Mendoza, R Mendoza, Y Seo, J Lee, E Jung - Heliyon, 2023 - cell.com
Background More than half of the population in Korea had a prior COVID-19 infection. In
2022, most nonpharmaceutical interventions, except mask-wearing indoors, had been lifted …