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 |