. 2021 Jan 28;124:182–190. doi: 10.1016/j.isatra.2021.01.050

Table 2.

Transmission coefficients of COVID-19 in China.

State	Time period	$\hat{β}$	$\hat{R_{0}}$	Drop rate
Non-lockdown	2019.12.17–2020.1.23	0.2448	3.4266
Lockdown	2020.01.24–2020.02.27	0.2289	3.2041	6.4933%
Lockdown	2020.02.28–2020.03.29	0.1629	2.2809	28.813%
Lockdown	2020.03.30–2020.04.18	0.1325	1.8545	18.6944%