Table 2. Fixed parameter values estimated based on available published literature.
These estimated values derived from the existing COVID-19 and SARS-CoV-2 literature.
| Symbols | Values | Units | Definitions | Sources |
|---|---|---|---|---|
| μ | (80.3 × 365) | 1/day | Natural Death Rate (Reciprocal of the average life expectancy of 17 countries sampled) | (37, 42) |
| μS | 0.00159 | 1/day | Infected death rate | (4, 32) |
| η | 5.5 | days | SARS-CoV-2 Incubation Period | (38) |
| 1/ | η – ε−1 | days | Expected time in the asymptomatic state | Fitted and dependent on η |
| ν | 0.031 | 1/day | Recovery rate (Average of 3 to 6 weeks) | (38) |
| p | 0.956 | unitless | raction that move along the “mild” recovery track | (2) |
| k | 0.649 | 1/day | Viral decay rate in environment using average of all material values, wood, steal, cardboard, plastic) | (12) |