Entry requirement to Hong Kong from the US
Currently, only fully vaccinated Hong Kong residents from the US are allowed to board flights for Hong Kong. Prior to boarding, in addition to vaccination record, they are required to present a negative result proof of a polymerase chain reaction-based (PCR-based) nucleic acid test for COVID-19, conducted within 72 hours before the scheduled time of flight departure. They are also required to present a documentary proof in English to show that the laboratory or healthcare institution is recognized/ approved/ ISO15189 accredited. Recognized laboratories in the US may be located via the database website of the Centers for Disease Control and Prevention or here. The print out of the relevant record can serve as a documentary proof. Inbound travelers also need to have confirmation of room reservation for 21 nights in a designated quarantine hotel. Upon arrival in Hong Kong, these travelers will need to comply with compulsory testing requirement. Details here.