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| Parameters | Meaning |
|---|---|
| Λ | Recruitment rate into S(t) |
| bI | Contact rate with I(t) |
| bW | Contact rate with W(t) |
| μ | Natural death rate of humans |
| δ | COVID-19 induced death rate |
| ρ | Rate of quarantine of I(t) |
| ξ | Pathogens decay rate |
| ν | Shedding rate of pathogens |
| σ | Rate at which E(t) becomes I(t) |
| γ | Rate of recovery for Q(t) and I(t) |
| ϕ | Rate of reduction of S(t) due to sensitization information |
| ε | Rate of reduction in contact rate of S(t) with I(t) due to lock down |
