All travelers arriving to Hong Kong from any country except Macao and Taiwan in the past 14 days , were subjected to compulsory quarantine .
Effective 19 March 2020 , all persons arriving in Hong Kong who have been to Mainland China or any overseas countries/areas ( excluding Macao and Taiwan ) in the past 14 days , regardless of whether they are Hong Kong residents , will be subject to compulsory quarantine . * :