The overall confirmed infection cases have climbed to 75,465, Chinese health officials said on Friday.
The head of the World Health Organisation said on Saturday that the UN health agency would send an international mission to China as it received a response from Beijing.
Over 2.52 lakh who were in close contacts with patients had been traced with over 1.85 lakh others still under medical observation.
The overall confirmed cases on the mainland reached 80,735 by the end of Sunday which included 3,119 people who have died so far.
The Wuhan lockdown was lifted even as epidemiologists warned that it is not the time to completely lower the guard and ease on full-scale restrictions, considering the looming asymptomatic patients and possible rebound in infections, the official media reported.
The city has prepared a 10-day plan to test all its residents after six new coronavirus cases were reported in a residential community.
WHO Director-General Tedros Adhanom Ghebreyesus said international experts were now on the ground in China to understand the outbreak and inform the next steps in the global response.
Ministry of External Affairs spokesperson Raveesh Kumar said India has noted European Commission's clarification that the EU Parliament's views don't reflect the official position of the grouping.
Speaking at a press conference, Peter Ben Embarek, the head of the WHO mission in Wuhan, stated four hypotheses on how the virus spread but reiterated that "laboratory incident hypothesis is extremely unlikely to explain the introduction of the virus into the human population".
Hantaviruses are a family of viruses spread mainly by rodents and can cause varied disease syndromes in people worldwide, according to the Centres for Disease Control and Prevention (CDC) which is the leading national public health institute of the United States.
The cases of infection have been rising rapidly in Europe and other parts of the world, with Italy being the hardest-hit country.
The first study used spatial analysis to show that the earliest known COVID-19 cases, diagnosed in December 2019, were centered on the Wuhan market.
Narendra Modi also conveyed to Xi his appreciation for facilitating evacuation of around 650 Indian citizens from the Hubei province last week.
Chinese officials say imported cases are on the rise as hundreds of people are returning to the country from various COVID-19 hotspots abroad, even though the deadly virus has been contained in epicentres of Hubei province and its capital Wuhan.
By Thursday, 830 confirmed cases of pneumonia, caused by the novel coronavirus (2019-nCoV), had been reported in 29 provincial-level regions in the country.
Asymptomatic cases refer to people who tested positive for the coronavirus but develop no symptoms such as fever, cough or sore throat.
A 35-year-old Chinese man was apprehended by the Border Security Force (BSF) from along the India-Bangladesh international border in West Bengal on Thursday, with the paramilitary force saying security agencies are probing if he was working for an intelligence agency of the neighbouring country, officials said.
Chinese President Xi Jinping has called for undiminished vigilance on the prevention and control work of the COVID-19 as the situation in the Wuhan City and Hubei Province remains severe
The Wuhan local administration earlier announced that people who are not quarantined and seeking special treatment or stranded in the city can leave in batches.
The commission added that 11,977 patients remained in severe condition, and 5,248 people were suspected of being infected with the virus, the state-run Xinhua news agency reported.
Ashish Kurme, an MBBS student studying at a university near Wuhan, tells the grim story of ground zero of the coronavirus outbreak.
The World Health Organization on Thursday had said that a sharp rise in reported COVID-19, (official name for coronavirus) cases in China was due to a change in counting methods and it did not represent a big shift in the epidemic.
The affected nurse is being treated and is recovering well, junior foreign minister V Muraleedharan said. Meanwhile, China has locked down five cities, including Wuhan, suspending all public transport in an unprecedented move to contain the coronavirus that has infected over 630 people and left 17 others dead.
Chinese officials hope the cases will come down in the coming days with more specialised hospitals being set up in Wuhan. China's ministry of science and technology said that a batch of Remdesivir, an antiviral drug, which will be put into clinical trials to test its efficiency on the novel coronavirus (2019-nCoV), is expected to arrive in China soon.
An Air India flight was sent to Wuhan on Friday to bring back the Indian students stuck in Hubei province, the epicentre of coronavirus.
The NHC said, 78 new confirmed COVID-19 cases were reported on the Chinese mainland on Monday, of which 74 were imported from abroad taking the number of overseas cases to 427.
Amid China's economic slowdown, the country's economic challenges may increase manifold and its economy may be hit harder in the wake of the Ukraine-Russia crisis.
The Diamond Princess cruise ship arrived in Yokohama, near Tokyo, on February 3 with 3,711 passengers and crew on board, 621 people were found to be infected with the deadly coronavirus after it was diagnosed in a man who disembarked last month in Hong Kong.
'India's acts of goodwill fully demonstrate its friendship with China'
The confirmed cases climbed to 571 mostly from the city of Wuhan with 17 deaths so far. The Wuhan government required all people in public places such as hotels, restaurants, cinemas, parks, shopping centres and public transports to wear masks to prevent the spread of the virus, according to an announcement on Wednesday night. The rule took effect immediately.
Asymptomatic cases pose a problem as the patients are tested COVID-19 positive but develop no symptoms such as fever, cough or sore throat. However, they pose a risk of spreading the disease to others.
Rediff.com takes a look inside the capsized Eastern Star ferry and finds remnants of the ruination of over 400 lives in its detritus.
Meanwhile, passengers began leaving the ship on Wednesday after the end of a two-week quarantine period that failed to stop the spread of the virus among passengers and crew.
Wang Xinghuan, the head of the Wuhan Leishenshan (Thunder God Mountain) Hospital, advocated the use of facial masks specially in cities like New York which are experience a higher rate of cases and casualties of coronavirus.
The deadly coronavirus is wreaking havoc globally, killing over 50 people in Iran, 34 in Italy and 22 in South Korea.
The overall confirmed cases on the Chinese mainland has reached 44,653 by the end of Tuesday and 1,113 people has died of the disease.
A Chinese national apprehended while trying to cross the India-Bangladesh border illegally has told the investigators that he and his associates have smuggled as many as 1,300 Indian SIM cards into their country by hiding them in undergarments, the BSF said.
Monday also saw the new confirmed infections of COVID-19 outside Hubei reduced to a number lower than 100 for the first time, Mi told the media..
China's National Health Commission on Thursday said the country reported only four new confirmed COVID-19 cases on Wednesday, taking the total number to 82,862, while no death due to the disease was registered. The virus has claimed 4,633 lives in the country.
The Chinese health authorities announced on Wednesday that 5,974 confirmed cases of pneumonia caused by the novel coronavirus had been reported in 31 provincial-level regions by the end of Tuesday.