Table 2:

Estimates and confidence intervals of R₀ for COVID-19 in China in the literature

	basis reproduction number			additional information
Source	Estimate	95% L.B.	95% U.B.	Size	Study period
Cao et al. (2020)	4.08	3.37	4.77	618	12.16.2019–1.25.2020
Kucharski et al. (2020)	2.35	1.15	4.77	na	12.1.2019–2.11.2020
Li et al. (2020a)	2.20	1.40	3.90	425	12.29.2019–1.22.2020
Liu et al. (2020a)	2.90	2.32	3.63	164	12.26.2019–1.23.2020
Imai et al. (2020)	2.60	1.50	3.50	4000	12.2.2019–1.18.2020
Read et al. (2020)	3.11	2.39	4.13	na	1.1.2020–1.22.2020
Sanche et al. (2020)	5.70	3.80	8.90	140	1.15.2020–1.30.2020
Shen et al. (2020)	4.71	4.50	4.92	na	12.12.2019–1.22.2020
Sun et al. (2020)	2.94	2.38	3.50	na	1.23.2020–2.10.2020
Tian et al. (2020)	3.15	3.04	3.26	3156	1.23.2020–2.19.2020
Wu et al. (2020a)	2.68	2.47	2.86	5993	12.31.2019–1.28.2020
Zhu and Chen (2020)	2.69	2.61	2.77	na	12.1.2019–1.23.2020