In nearby Macau, one new case, a 27-year-old man who returned from NY via Hong Kong the previous day, was reported, taking the total to 31.
The country has not reported any new domestic COVID-19 infections for two consecutive days but officials have raised concerns about the number of imported cases, which have now surpassed 500.
In stepping up efforts to curb the number of imported virus cases, the Chinese Foreign Ministry said later in the day that on a temporary basis it will not allow foreign nationals to enter the country.More news: After the leak, Dua Lipa advances the launch of 'Future nostalgia'
China on Wednesday downgraded the risk level of the coronavirus in its epicentre Wuhan from high to medium and resumed bus services within the city for the first time since the nine-week lockdown.
The announcement comes after a spike in imported coronavirus cases in the country this week, prompting the authorities to implement new controls to prevent a resurgence of infections. The commission reported a total of 3,287 deaths at the end of Wednesday, up six from the previous day. Another 58 suspected cases also owe their origins to sources outside mainland China, mostly involving Chinese citizens returning from overseas.
Hubei, home to some 60 million people, reported no new cases on Wednesday and opened its borders.More news: United Kingdom woman, 21, dies from coronavirus despite no pre-existing health issues
In Xianning, a city in southeastern Hubei, public transport restarted and residents strolled the streets wearing masks.
One group of women sat outside a shuttered shop, playing with a pair of toddlers wearing masks. China has made a decision to end the lockdown in Hubei Province with a population of 56 million.
Ninety percent of the 541 total imported cases were confirmed in Chinese citizens, with 40 percent of them being students returning from studying overseas, Vice Foreign Minister Luo Zhaohui told a press conference.More news: US$2t rescue package passes US Senate, heads to House
Shanghai will make every global traveller arriving from 6 p.m. local time (1000 GMT) on Thursday go into quarantine for 14 days, the local government announced. We hope that we have succeeded by giving you the full details and information.