A staff member from the Hong Kong Immigration Department (center right) checks passenger's information at the Wuhan Tianhe airport on March 4, 2020, as a group of Hong Kong residents is about to board a government-chartered flight to fly back Hong Kong. (PHOTO PROVIDED TO CHINA DAILY)

A Hong Kong resident holding a banner that reads "Thank you Hong Kong" poses for a photo at the Wuhan Tianhe airport before boarding a government-chartered flight to Hong Kong on March 4, 2020. (PHOTO PROVIDED TO CHINA DAILY)

Hong Kong residents line up to enter the departure hall at the Wuhan Tianhe airport before boarding a government-chartered flight to return to Hong Kong, March 4, 2020. (PHOTO PROVIDED TO CHINA DAILY)

A staff member from the Hong Kong's Immigration Department (right) checks the ID of a Hong Kong resident at the Wuhan Tianhe airport, before boarding a chartered flight back home on March 4, 2020. (PHOTO PROVIDED TO CHINA DAILY)

Hong Kong residents disembark from a government-chartered flight and board a coach to depart for a quarantine center after arriving in Hong Kong, on March 4, 2020. (EDMOND TANG / CHINA DAILY)

Hong Kong residents stranded in Hubei province during the novel conoravirus outbreak are being transported to   a quarantine center in Fon Ta after landing in Hong Kong on March 4, 2020. (EDMOND TANG / CHINA DAILY)

Hong Kong residents arrive at Chun Yeung Estate in Fo Tan, where they will be quarantined for 14 days, after returning from Hubei province, the epicenter of the novel coronavirus outbreak, to Hong Kong, March 4, 2020. (EDMOND TANG / CHINA DAILY)

A woman and her child arrive at Chun Yeung Estate in Fo Tan, where they will be quarantined for 14 days, after returning from Hubei province, the epicenter of the novel coronavirus outbreak, to Hong Kong, March 4, 2020. (EDMOND TANG / CHINA DAILY)