Table 3.
Incubation period of cluster COVID-19 infection and generation gap
| Transmission generations | Incubation period |
P-value | Generation gap |
P-value | ||
|---|---|---|---|---|---|---|
| N | M (Range) | n | M (Range) | |||
| From G0 to G1 | 20 | 8.5(3.0, 16.0) | 0.212 | 83 | 6.0(0.0, 15.0) | 0.952 |
| From G1 to G2 | 17 | 10.0(0.0, 17.0) | 36 | 6.0(-2, 14.0) | ||
| From G2 to G3 | 2 | 3.5(3.0, 4.0) | 6 | 5.5(1.0, 10.0) | ||
| Overall | 39 | 9.0(0.0, 17.0) | 119 | 6.0(-2, 15.0) | ||
G0, index case; G1, first generation; G2, second generation; G3, third generation; N, number of clusters; n, number of cluster infection case.