Dr Li Wenliang reprimanded by police in Wuhan for spreading ‘false rumours’ about a new virus

WHO publishes Disease Outbreak News report of pneumonia of unknown cause in Wuhan

Politburo Standing Committee (PSC) meeting

• National health officials warn of major public health event in closed conference call

• WHO news release states no clear evidence of human-to-human transmission

President Xi visits Myanmar

Xi visits Yunnan Province

• Premier Li Keqiang issues first instructions on coronavirus management at State Council Standing Committee meeting

• Xi issues “important instructions” from Kunming

Wuhan Health Commission advises 15 medical staff have been infected with a new coronavirus pneumonia

Wuhan lockdown commences

Lunar New Year and first of several publicised PSC emergency meetings

Premier Li visits Wuhan

WHO delegation to Beijing led by Director-General Tedros Ghebreyesus to discuss coronavirus with Chinese leadership

Conference call of 170 000 party officials and military personnel