Table 1: Description of Model Parameters. The parametric values are determined based on the references [5,7,14-19].

Model Parameter Symbol Value
Rate of transmission from S to E due to contact with P β1 0.45
Rate of transmission from S to E due to contact with IA, IM and IC β2 0.75
Rate of transmission from S to E due to contact with U and H β3 0.5
Proportion of asymptomatic infectious people δA 0.75
Proportion of critical symptomatic infectious people δC 0.02
Progression rate from IA to H τA 0.02
Progression rate from IM to H τM 1
Progression rate from IC to H C 0.99
Progression rate from E to either IA, IM or IC ω 0.2 day-1
Rate of recovery from IA to R γA 0.98
Rate of recovery from H to R γH 0.97
Progression rate from H to U ξ 0.02
Progression rate from U to H φ 0.2
Progression rate from U to D λU 0.9
Progression rate from H to D λH 0.03
Progression rate from IC to D λC 0.02
Rate of virus spread to environment by IA, IM and IC η1 0.55 days-1
Rate of virus spread to environment by U and H η2 0.25 days-1
Natural death rate of pathogens in the environment µP 0.3 days-1