k1 = transmission_rate_effective
k2 = gamma_a
k3 = gamma_0
k4 = gamma_i
k5 = psi
k6 = theta
k7 = d_0
k8 = d_D
k9 = sigma
k10 = nu
k11 = alpha
k12 = eps
k13 = delta
k14 = lam
k15 = exposed_start
k16 = asymptomatic_start
k17 = symptomatic_start
k18 = Lagos
k19 = __cm_k19