Table 1.

Estimates of parameters and initial values of variables in model (1)

Parameters	Definition	value	Source
c	Initial contact rate	15	Estimated
β	Probability of successful transmission	0.1334	Estimated
θ	Transmission probability reduction of asymptomatically infected individuals	0.1	Estimated
ρ	Ratio of symptomatic infection	0.6	Estimated
q	Quarantine rate of exposed individuals	0.415	Estimated
σ	Transition rate of exposed individuals to the infected class	1/7	[33]
λ	Rate at which the quarantined uninfected contacts are released	1/14	[22]
δI	Transition rate of symptomatically infected individuals to the quarantined infected class	0.2257	Estimated
δq	Transition rate of quarantined exposed individuals to the quarantined infected class	0.2	Estimated
γI	Recovery rate of symptomatically infected individuals	0.02	Estimated
γA	Recovery rate of asymptomatically infected individuals	0.07	Estimated
γH	Recovery rate of quarantined infected individuals	0.0239	Estimated
α	Disease-induced death rate	0.013	Estimated
N	The total population	6.048×107	Data
E(0)	Initial exposed population	26	Estimated
I(0)	Initial symptomatically infected population	20	Estimated
A(0)	Initial asymptomatically infected population	5	Estimated
Sq(0)	Initial quarantined susceptible population	51	Estimated
Eq(0)	Initial quarantined exposed population	13	Estimated
H(0)	Initial quarantined infected population	3	Data
R(0)	Initial recovered population	0	Data