Table 1.

Parameter set of model (6)

${\beta }_j$:	The rate at which the infected individuals infect the susceptible individuals in city j
${\alpha }_j$:	The rate at which the exposed individuals infect the susceptible individuals in city j
${\kappa }_j$:	The rate at which exposed individuals become infected in city j
${\gamma }_j$:	The recovery rate in city j
$k_I$:	The possibility of an infected individual moving from one city to another
${\delta }_j$:	The eventual percentage of infections in city j
$I_{j,0}$:	The initial number of infected individuals in city j
$E_{j,0}$:	The initial number of individuals in city j