In accordance with the compulsory testing notice issued earlier, all household members of close contacts are required to undergo compulsory testing. Any person who had lived with a person placed under quarantine pursuant to section 22 of the Prevention and Control of Disease Regulation (Cap. 599A) (person under quarantine) in the same residential unit on the date of commencement of quarantine or during the 14 days before that day, and who becomes aware of the quarantine of the person under quarantine when the relevant quarantine has not yet been completed, has to undergo testing within two days of him or her becoming aware that the person under quarantine has been placed under quarantine and report to the Government the result of the test by phone (6275 6901), fax (2530 5872) or email (ct@csb.gov.hk) within three days of undergoing the test.