Table 4.

Descriptions of parameters.

Parameter	Description	Value	Reference
$1/\alpha$	Incubation period (day)	5	[30]
$1/q$	Symptom onset to confirmed period (day)	Table 5	Estimated
${\beta }_{ij}$	Transmission rate from age group $i$ to $j$	Table 5	Estimated
$m_{ij}$	Number of contacts made by an individual in age group $i$ with individuals in age group $j$	Figure 3	[25]
$b_i$	Infection probability of a person in age group $i$ per contact	Table 5	Estimated
$\gamma$	Recovered/removed rate	*	[13,17]

* The recovered/removed rate varies by the age of the infected individual.