Table 1 Parameters: Descriptions and their values
From: Stability analysis and numerical evaluations of a COVID-19 model with vaccination
Parameter | Description | Value |
|---|---|---|
\(\alpha _1:\) | The rate of unvaccinated infected people and are isolated | 0.2 |
\(\alpha _2:\) | The rate of vaccinated infected people and are isolated | \(\frac{\alpha _1}{30}\) |
\(\beta :\) | Transmission rate for unvaccinated individuals | \(3.6\times 10^{-7}\) |
\(\beta ':\) | Transmission rate for vaccinated individuals | \(\frac{\beta }{30}\) |
\(\eta _1:\) | Recovery rate in class J | \(\frac{1}{7}\) |
\(\eta _2:\) | Recovery rate in class \(J_v\) | \(\frac{1}{7}\) |
\(\delta :\) | A fraction of vaccinated susceptible goes to \(R_v\) class | 0.997 |
\(\gamma _1:\) | The recovery rate of infected people who did not receive the vaccine | \(\frac{1}{7}\) |
\(\gamma _2:\) | The recovery rate of infected people who received the vaccine | \(\frac{1}{7}\) |
\(\mu :\) | Natural mortality rate | 0.008 |
\(\mu _1:\) | Death rate due to disease in isolated people without vaccine | 0.02 |
\(\mu _2:\) | Death rate due to disease in isolated people with vaccine | 0.01 |
\(\theta _1:\) | The rate of reinfection in class R | \(\frac{1}{60}\) |
\(\theta _2:\) | The rate of reinfection in class \(R_v\) | \(\frac{1}{60}\) |
\(\Lambda :\) | Population growth rate | 0.8 |