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Parameters of the model
| Parameters | description |
|---|---|
| λ1 | transmission coefficient between community Sk and Ai |
| λ2 | transmission coefficient between community Sk and Ii |
| δ | rate of becoming infectious after latentcy |
| γ | rate of becoming asymptomatically infected |
| 1 – γ | rate of becoming symptomatically infected |
| α1 | recovery rate of asymptomatically infected |
| α2 | recovery rate of symptomatically infected |
