Mathematical Modeling of Yellow Fever Transmission Dynamics with Multiple Control Measures

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Tunde T. Yusuf
David O. Daniel


Yellow-fever disease remains endemic in some parts of the world despite the availability of a potent vaccine and effective treatment for the disease. This necessitates continuous research to possibly eradicate the spread of the disease and its attendant burden. Consequently, a deterministic
model for Yellow-fever disease transmission dynamics within the human and vector population is considered. The model equilibrium solutions are obtained while the criteria for their existence and stability are investigated. The model is solved numerically using the forth order Runge- Kunta scheme and the results are simulated for different scenarios of interest. Findings from the simulations show that the disease will continue to be prevalent in our society (no matter how small) as long as the immunity conferred by the available vaccine is not lifelong and the Yellowfever infected mosquitoes continue to have unhindered access to humans. Thus, justifying the wisdom behind the practice of continuous vaccination and the use of mosquito net in areas of high Yellow-fever endemicity. However, it was equally found that the magnitude of the Yellowfever outbreak can be remarkably reduced to a negligible level with the adoption of chemical or biological control measures which ensure that only mosquitoes with minimal biting tendency thrive in the environment.

Yellow-fever, Equilibrium solutions, Disease prevalence, Asymptotic stability, Basic reproduction number

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How to Cite
Yusuf, T., & Daniel, D. (2019). Mathematical Modeling of Yellow Fever Transmission Dynamics with Multiple Control Measures. Asian Research Journal of Mathematics, 13(4), 1-15.
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