Numerical Simulation of Transmission Dynamics of the HBV Model of Fractional-Order via a Generalized Runge–Kutta Method. - Essam, Amira; Hadhoud, Adel R.; Radwan, Taha; Rageh, Abdulqawi A. M.; Hanafy, Ibrahim M.; Abd-Elal, Asmaa M. (Fractal & Fractional, 2026)