Dynamics of malaria-dengue fever and its optimal control

Nita H. Shah, Ankush H. Suthar, Ekta N. Jayswal


The mosquito-borne infectious diseases like malaria and dengue are putative as important tropical infections and cause high morbidity and mortality around the world. In some cases, simultaneous coexistence of both the infections in one individual is seen which is very hard to distinguish as both diseases have almost similar symptoms. In this proposed article, dynamical system of non-linear differential equations is constructed with the help of mathematical modeling, which describe dynamics of the spread of these infectious diseases separately and concurrently. Basic reproduction number is evaluated to understand dynamical behaviour of the model. Local and global stability criteria have been deliberated rigorously. Control parameters are used to perceive effect of medication on these prevalent tropical diseases. Numerical simulations are used to observe effect of control parameters graphically.


Malaria-dengue model; Basic reproduction number; Stability; Optimal control ;Numerical Simulation

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DOI: http://dx.doi.org/10.11121/ijocta.01.2020.00828


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