Table 1.

Parameters epidemiological interpretations.

Parameter	Description	Value	Sources
$\beta$	Intracity transmission rate	0.4	[9]
$\xi$	The correction factor of transmission probability with asymptomatic infectious individuals	0.5	[10], [11]
$1∕\sigma$	The mean incubation period	3	[12]
$\theta$	The proportion of symptomatic infectious among the infectious people	0.7	[13], [14]
${\gamma }_A$	Rate of asymptomatic infectious individuals losing infectiousness per day	0.1	[9]
${\gamma }_I$	rate of symptomatic infectious individuals losing infectiousness per day	0.25	[15]