Five people from the evacuated 35-storey building in Hong Kong have tested negative for coronavirus.
The residents of the Tsing Yi housing complex had exhibited flu-like symptoms, officials added.
They will, however, remain in quarantine together with 200-plus residents who were evacuated in the early hours of Tuesday after two residents tested positive for coronavirus.
Meanwhile, officials are trying to contact people from nine housing units over suspected "environmental transmission" of the flu-like virus.
Meanwhile, Hong Kong leader Carrie Lam appealed to the residents to stay indoors as much as possible, as the country confirmed 42 cases so far.
"At the moment, we're making this appeal, we're not going for compulsory closures because Hong Kong is a free society," she announced.
Israeli strikes pummelled south Beirut on Monday, Lebanese official media said, while health authorities reported 31 people killed across the country, most of them in the south.
At least one police officer was killed and dozens of people injured in Pakistan as supporters of jailed former Prime Minister Imran Khan clashed with security forces outside the capital Islamabad on Monday, officials and Khan's party said.
A small plane travelling to Costa Rica's capital of San Jose crashed on Monday afternoon, authorities said, killing five of the six passengers on board.
Sectarian fighting in northwestern Pakistan which killed more than 80 people last week restarted on Monday, officials said, breaching a seven-day brokered ceasefire.
A US judge on Monday dismissed the federal criminal case accusing Donald Trump of attempting to overturn his 2020 election defeat after prosecutors moved to drop the case and a second case against the president-elect, citing Justice Department policy against prosecuting a sitting president.