Table 1 Known and pre-specified parameter values

N

total population as of April 12, 2020

[ind]

–

83,726,366

21,395,610

[36]

\(N_{h}\)

average number of household members

[ind]

–

2.1

3.9

[37, 38]

\(\nu ^{-1}\)

quarantine period

[d]

5.2–20

14

14

[39]

\(\theta ^{-1}\)

incubation period

[d]

0–20

5.2

5.2

[6]

σ

duration of virus survival on a surface

[d]

0–9

3

3

[32]

\(H_{C}\)

number of local households

–

–

100

100

M

number of time grids in [−σ,0]

–

≥3

300

300