Table 1.

Description of model parameters, with time unit as day or per day.

Parameters	Definitions	Value	Source
$1/\eta$	Duration of incubation period	7.76	Qin et al. (2020)
$\lambda$	Dominant infection rate		fitting
$\kappa$	Proportion of the exposed evolving preclinical infections	0.82	Mizumoto et al. (2020)
$1/\delta$	Time span from illness onset to be treated	1.5	Kerkhov (2020)
$\vartheta$	Vaccine protection rate	0.94	Baden et al. (2021)
$\theta$	Vaccination rate	varied
$1/\omega$	Duration of treatment for symptomatic patients	19	Woodruff (2020)
$\alpha$	Relative infectivity of inapparent infections	1/3	Chen et al. (2020)
$\beta$	Relative infectivity during treatment	1	Chen et al. (2020)
$\tau$	Time from vaccination to vaccine works	14	Baden et al. (2021)