Pik Long House, at Shek Pan Wai Estate in Aberden, was sealed off for testing just before 9 pm on Wednesday, after a 20-year-old resident tested preliminary positive for the coronavirus.
The man is a University of Hong Kong student, who works part-time at the Dustykid Tea Shop – Light as Dust in Sheung Wan and Wan Chai. He had also dined at a Japanese restaurant in Hysan Place at about the same time as a confirmed patient.
Earlier, Maya Tower 1 on Shung Shan Street in Yau Tong was also locked down. Authorities acted after a 19-year-old student, who lives there, tested preliminary positive. He studies at Hong Kong Tang King Po College and last went to school on January 7.
The 19-year-old is a family member of a confirmed case, a 71-year woman, who lives in Flora Garden in North Point.
In all, about 2,455 people were tested.
Hong Kong on Wednesday reported 22 confirmed cases, including five local cases