Table 3.
Summary of the basic reproduction number ( ), serial interval, and incubation period for three different coronavirus outbreaks.
| Virus | Epidemics | R 0 | Incubation Period | Serial Interval |
|---|---|---|---|---|
| SARS-CoV |
China (Beijing)
2003 |
1.88 (mean) overall [31] | 5.7 (SD 9.7) [32] | NA |
|
Hong Kong
2003 |
1.70 (95% CI: 0.44, 2.29) overall [33], 2.7 (95% CI: 2.2, 3.7) in the early phase (excluding SSE) [34] 0.14–1 in the later phase (excluding SSE) [34] |
4.6 (95% CI: 3.8, 5.8) [35] | (8, 12) [36] | |
| MERS-CoV |
Saudi Arabia
2013–2014 |
0.45 (95% CI: 0.33, 0.58) overall [37] | 5.0 (95% CrI: 4.0, 6.6) [38] | 6.8 (SD 4.1) [37] |
|
Republic of Korea
2015 |
0.91 (95% CI: 0.36, 1.44) overall, 2.0–8.1 in early phase (including SSE) [39] |
6.9 (95% CrI: 6.3, 7.5) [38] | 12.4 (SD 2.8) [40] | |
| SARS-CoV-2 |
China
2019–2020 |
2.58 (95% CrI: 2.47, 2.86) [6] | 5.2 (95% CI: 4.1, 7.0) [13] | 7.5 (95% CI: 5.3, 19) [13] |
|
Republic of
Korea2020 |
0.48 (95% CI: 0.25, 0.84) in early phase (before SSE) [15] |
3.9 (0–15) [15] | 6.6 (3–15) [15] |
SD: Standard deviation; NA: not available; SSE: superspreading event; 95% CI: 95% confidence interval; 95% CrI: 95% credible interval.