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. 2021 Feb 9;40:101988. doi: 10.1016/j.tmaid.2021.101988

Table S1.

State variable and parameter descriptions

Variable Description
S Susceptible class
E1 Latent stage not infectious
E2 Latent stage infectious
I1 First stage of symptomatic
I2 Second stage of symptomatic
R Recovered class
N Total population
Parameter
Description
Values (references)
β1,β2,β3 Transmission rates for E2,I1,I2 classes 0.3125,0.5,0.176 (23)
σ1 First stage incubation rate 0.3125 (23)
σ2 Second stage incubation rate 0.5 (23)
γ1 First stage of recovery 0.5 (23)
γ2 second stage of recovery 0.176 (23)
ch COVID-19 case fatality 0.018 (35)
μ Death rate Not used