The five stages of COVID-19 pandemic prevention and control in China.

Stages	Name of Stage	Time Span
Stage I	Swift response to the public health emergency	December 27th, 2019-January 19th, 2020
Stage II	Initial progress in containing the virus	January 20th–February 20th, 2020
Stage III	Newly confirmed domestic cases on the chinese mainland drop to single digits	February 21st–March 17th, 2020
Stage IV	Wuhan and Hubei: an initial victory in a critical battle	March 18th–April 28th, 2020
Stage V:	Ongoing prevention and control	Since April 29th, 2020

Data source: The State Council Information Office of the People's Republic of China (PRC), www.scio.gov.cn.