Table 2.
Baseline model parameters with a brief description and default values used for the model.
| Parameter | Description | Value | Range | Units | References |
|---|---|---|---|---|---|
| γ | Incubation rate | 2.0 × 10−1 | 0.1–0.3 | day−1 | Amira et al. [42], Dhouib et al. [43], Lauer et al. [37], Rǎdulescu et al. [38] |
| r 1 | Recovery rate for I | 7.0 × 10−2 | 0.5–1 × 10−1 | day−1 | Rǎdulescu et al. [38], Yang et al. [44] |
| r 2 | Recovery rate for Q | 5.0 × 10−2 | |||
| q | Quarantine rate | 6.7 × 10−1 | 0.5–0.8 | day−1 | Tang, Xia, et al. [32], Yang et al. [44] |
| β | Infection rate | 1.1 | 0.6–1.7 | day−1 | Lin et al. [45] |
| b | Birth rate | 2.7 × 10−5 | EUSTAT [46] | ||
| d | Disease mortality rate | 5.7 × 10−3 | 0.1–0.6 × 10−1 | day−1 | López and Rodó [47], Rǎdulescu et al. [38] |
| m | Natural mortality rate | 2.7 × 10−5 | day−1 | EUSTAT [48] | |
| ν | Vaccine protection rates (Pfizer, Moderna, Astra Zeneca, Janssen) | 1.3 × 10−3 | day−1 | Estimated in this study (Table 3) | |
| 1.8 × 10−4 | |||||
| 3.1 × 10−5 | |||||
| 9.8 × 10−5 | |||||
| α | Protection rate: Low (mask use, hygiene, social distancing), medium (mobility restrictions), high (mobility and indoors closure), very high (lockdown) | 5.0 × 10−3 | 0.3–3 × 10−2 | day−1 | López and Rodó [47], Estimated in this study |
| 7.5 × 10−3 | |||||
| 10 × 10−3 | |||||
| 25 × 10−3 | |||||
| σ | Immunity loss rate | 1.1 × 10−2 | day−1 | Dan et al. [49] |