Figure 2From: A hepatitis stochastic epidemic model with acute and chronic stagesSimulation of system (3) with time step and initial size of the population \(\Delta t=0.01\) and \((S(0),I_{1}(0),I_{2}(0),R(0) )= (0.7,0.6,0.4,0.2 )\) respectivelyBack to article page