05 February 2020 – 14-day mandatory quarantine for those who enter Hong Kong from Mainland China

Type of Intervention: Executive Order, Specific Action
Sectors Involved: Immigration
Level of Jurisdiction: Special Administrative Region
Lead People/Agency: Chief Executive Carrie Lam

Overview: The Government announced today (February 5) that it will impose a 14-day mandatory quarantine on all the people entering Hong Kong from the Mainland, after taking into consideration the advice of the four members of the expert advisory group under the Steering Committee cum Command Centre.
Full details here: https://www.info.gov.hk/gia/general/202002/05/P2020020500793.htm?fontSize=1

Other links: 1
Type of Justification: Advice of EXTERNAL expert advisor or advisory committee, Perception of an increased threat
Source of Evidence or Justification: the four members of the expert advisory group under the Steering Committee cum Command Centre (https://www.coronavirus.gov.hk/eng/expert-opinion.html)