1. Akbari R, Kamyad A V, Heydari A A. Stability analysis of the transmission dynamics of an HBV model. Int J Indu Math, 2016, 8: 119–219
2. Akdim A K, Ez-Zetouni, Zahid M. The influence of awareness campaigns on the spread of an infectious disease: a qualitative analysis of a fractional epidemic model. Modeling Earth Systems and Environment, 2021, 2(3): 1–9
3. Alade T O, Shafeek A G, Saud M A. Global stability of a class of virus dynamics models with general incidence rate and multitarget cells. The European Physical Journal Plus, 2021, 136: 1–20
4. Allen L J S, Van D P. Stochastic epidemic models with a backward bifurcation. Mathematical Biosciences & Engineering, 2006, 3: 445
5. Bandekar R, Ghosh M. Mathematical modeling of COVID-19 in India and its states with optimal control. Modeling Earth Systems and Environment, 2021, 2: 1–16