Symbol

Meaning

Initial Value

Source

S(t)

Susceptible population without vaccination

471,083

[20] [21]

V(t)

Vaccinated susceptible population

3,152,630

[20] [21]

Q1(t)

Trace susceptible population without vaccination

0

[22]

Q2(t)

Trace the susceptible population vaccinated

0

[22]

E1(t)

No infectious exposed population

483.9378

Estimate

E2(t)

Infectious exposed population

0

[22]

I(t)

Symptomatic infected population

1

[22]

A(t)

Asymptomatic infected population

7

[22]

QE(t)

Tracked isolated exposed people

0

[22]

HI(t)

Symptomatic infected in-hospital patients

0

[22]

HA(t)

Asymptomatic infected in-hospital patients

0

[22]

R(t)

Recovered population

0

[22]