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Table 1 Parameter definitions and baseline values used in the numerical simulations

From: Modeling optimal treatment strategies in a heterogeneous mixing model

Parameter Description Values
a i Group-specific activity level for age group i 0.1−0.84
π i Group-specific mixing fraction for age group i 0−1
α i Recovery rate for infected class for age group i (days −1) 0.244
η i Rate of progression from asymptomatic to recovered class for age group i (days −1) 0.244
α T,i Recovery rate for treated class for age group i (days −1) 0.323
κ i Rate of progression from latent to infective or asymptomatic class (days −1) 0.526
p Fraction of latent individuals who become infected 0.667
σ Infectivity reduction for treated class 0.2
δ Infectivity reduction for asymptomatic class 0.5
d i Mortality rate for infected class for age group i (days −1) 0.01 (i=1)
   0.08 (i=2)
d T,i Mortality rate for recovered class for age group i (days −1) 0.005 (i=1)
   0.04 (i=2)
b The upper bound of control 0.2, 0.5, 1
C i Weight constants on I i (i=1,2) 1
W i Weight constants on controls (i=1,2) 1,100
N 1 Population size for group 1 1750
N 2 Population size for group 2 250