k1 = alpha_1
k2 = alpha_2
k3 = b
k4 = mu
k5 = mu_p
k6 = beta_1
k7 = beta_2
k8 = delta
k9 = psi
k10 = omega
k11 = sigma
k12 = gamma_S
k13 = gamma_A
k14 = eta_S
k15 = eta_A
k16 = Human
k17 = Pathogen