Table 1 Parameters for Flight-SEIR
From: Incorporating dynamic flight network in SEIR to model mobility between populations
Parameter | Description | Value | Type |
|---|---|---|---|
\(S_i\) | # susceptible individuals at node i | Â | Â |
\(E_i\) | # exposed individuals at node i | Â | Â |
\(I_i\) | # infected individuals at node i | Â | Â |
\(R_i\) | # recovered individuals at node i | Â | Â |
\(S_{ij}\) | # susceptible individuals travelling from node i to node j | Â | Â |
\(E_{ij}\) | # exposed individuals travelling from node i to node j | Â | Â |
\(I_{ij}\) | # infected individuals travelling from node i to node j | Â | Â |
\(R_{ij}\) | # recovered individuals travelling from node i to node j | Â | Â |
\(N_i\) | Total population at node i | Â | Constant |
C | Mean latent period of the disease | 5 | Constant |
\(\sigma\) | Incubation rate \(E_i \rightarrow I_i\) | \(\frac{1}{C}\) | Constant |
D | Mean infectious period | 14 | Constant |
\(\gamma\) | Recovery rate \(I_i \rightarrow R_i\) | \(\frac{1}{D}\) | Constant |
\(\beta _{i}\) | Transmission rate \(S_i \rightarrow E_i\) for node i | Â | Fitted |
\(R0_{i}\) | The population reproduction number | \(\frac{\beta _{i}}{\gamma }\) | Fitted |
\(Passengers_{ij}\) | # passengers travelling from node i to j | Â | Estimated |
\(Passengers_{ji}\) | # passengers travelling from node j to i | Â | Estimated |
\(P_i\) | Test positive rate of node i | Â | Estimated |
\(\eta\) | % of exposed individuals over all infected individuals | Â | Estimated |
\(F_{ij}\) | # flights from node i to node j | Â | Estimated |
CAP | Estimated average flight capacity | Â | Estimated |
LF | Load factor: onboard passengers to available seats ratio | Â | Estimated |
\(\tau\) | % of projected air traffic over pre-pandemic air traffic | Â | Variable |