This photo captures people wearing face masks waiting to cross a street in Hong Kong, April 5, 2021. (LI GANG / XINHUA)

HONG KONG – Hong Kong reported three imported COVID-19 cases on Thursday, pushing the city’s overall tally to 11,948.

The new cases involved 45-year-old man arriving from Russia, a 51-year-old man from the Philippines and a 15-year-old teenager from the United Kingdom, according to the Centre for Health Protection of Hong Kong’s the Department of Health.

The teenager developed symptoms on Thursday, while the other two remained asymptomatic.

In another development, no one tested positive in a mandatory testing exercise in Tai Kok Tsui overnight

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A total of 47 cases have been reported in the past 14 days, including 44 imported cases and three import-related cases, the CHP added.

In another development, no one tested positive in a mandatory testing exercise in Tai Kok Tsui overnight. The government cordoned off Chung Mei Building at around 7 pm Wednesday after it was notified by the Australian authorities that a man flying from Hong Kong tested positive for the Delta variant.

READ MORE: Tai Kok Tsui building cordoned off as HK extends virus curbs

The man, who lived at Chung Mei Building, left the city on June 26 to transit Singapore and received a COVID-19 test in Melbourne on June 29. 

About 1,200 residents living at the same block there were tested. The testing operation was complete at around 7 am Thursday.

More than 4.14 million COVId-19 doses have been administered so far since a citywide vaccination drive was launched on Feb 26. Some 2.47 million people, or about 36.4 percent of the eligible population, have taken at least one shot of the vaccine, and more than 1.66 million people have been fully vaccinated.