Staff members disinfect facilities on the train K5227 which runs from Beijing West Railway Station to Qinghecheng Railway Station of Xingtai, north China's Hebei Province, Jan. 30, 2020. (Xinhua/Ren Chao)

A COVID-19 patient leaving Wuhan for Beijing was a serious incident caused by dereliction of duty. Relevant personnel from Hubei Provincial Justice Department, provincial prison administration, Wuhan's women's prison and a district public security subbureau will be held accountable.