Symbol	Meaning	Values for each group								Source
i	Age group	0 - 9	10 - 19	20 - 29	30 - 39	40 - 49	50 - 59	60 - 69	70+	-
$N_{i}$	Population of each age group	165,297,939	166,435,224	174,028,867	229,977,168	204,141,893	228,613,409	144,414,736	113,281,232	[25]
$β_{i}$	No infection rate was inoculated	10.3026 × 10⁻³	9.9235 × 10⁻³	17.7285 × 10⁻³	21.7202 × 10⁻³	21.0066 × 10⁻³	21.0066 × 10⁻³	22.3 × 10⁻³	19.9808 × 10⁻³	[26] [27]
$η_{i}$	Infection rate after inoculation	4.3271 × 10⁻³	4.1678 × 10⁻³	7.4460 × 10⁻³	9.12254 × 10⁻³	8.8228 × 10⁻³	8.8228 × 10⁻³	9.366 × 10⁻³	8.3919 × 10⁻³	[28]
$\frac{1}{σ_{i}}$	Incubation period	5	5	5	5	5	6	4.5	8	[29]
$e_{i}$	Effectiveness of vaccination	0.5	0.5	0.8	0.8	0.8	0.8	0.5	0.5	[30]
$d_{i}$	Death rate	0	0.002	0.02	0.012	0.004	0.013	0.036	0.08	[31]
$h_{i}$	Admission rate	0.0001	0.0029	0.0164	0.0364	0.0523	0.0907	0.13	0.154	[27]
$γ_{1}$	Recovery rate	1/5.5								[30]
$γ_{2}$	Recovery rate after hospitalization	1/5.5								[30]