The building was listed as a restricted area yesterday night, as the government ordered another overnight lockdown, requiring residents to undergo mandatory testing.
Three residents were tested preliminary positive for the coronavirus, with another seven listed as close contacts needing quarantine.
According to the Centre for Health Protection, the building has seen four cases emerged in the past 14 days, with one of the infections untraceable.
The first patient is an 18-year-old man, who had symptoms onset on February 2.
South African authorities have seized hundreds of fake COVID-19 vaccines following a global alert issued by Interpol warning vaccines...