Transmission_rate,_beta 1.4247 Recovery_rate,_gamma 0.14286 Birth_rate,_nu 0.0000391 Death_rate,_mu 0.0000391 Probability_of_mortality, rho 0.5 Initial_Susceptibles, X 0.2 Initial_Infecteds, Y 0.0001 Initial_Population_size, N 1 Run_until_time 10000