1.0 20.0 1.0 1.0 0.0050 1.0 0.0 0.995 ((S * I * b) - (a * I) - (g * I) - (l * I)) ((g * I) - (a * R)) (B - (S * I * b) - (a * S)) J_Suspop S_init J_Infpop I_init J_Recovpop R_init modified version modified version 0.1, 0.2, 0.3 1.0 10.0 100.0