In this manuscript, the main objective is to introduce the derivatives of fractional-order into a delayed dynamical model of oncolytic virotherapy. The system consists of populations of infected cells, uninfected cells, and virus particles. The local asymptotic stability of all the equilibrium points is discussed by analyzing the corresponding characteristic polynomials. The existence of Hopf bifurcation is shown due to the effect of delay. The fractional-order dynamical system is compared with the integer order counterpart. Numerical simulations are also carried out to verify how the fractional-order model is more stable than its integer-order counterpart and fractional-order parameter can be used to pacify the effect of delay.
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