Almost 6,000 more coronavirus cases reported in China

The latest:

• Coronavirus case numbers rise by almost 6,000 in China, mostly in Hubei.
• Number of deaths reported Thursday less than half those reported the day before.
• WHO cautions that case numbers reflect changein method ofdiagnosis and reporting.
• Princess Cruises says Japan to proceed with 'phased' process allowing passengers to leave ship, complete quarantine on land.
• 12 Canadians among the Diamond Princess passengers who tested positive, foreign minister says.
• Japan confirms 1st death linked to coronavirus.
• Passengers aboardtheWesterdam, including about 250 Canadians, disembark in Philippines after testing negative for coronavirus infections.
• Risk in Canada still low, public health officials say. WATCH:What we actually know about the coronavirus

The death toll from a coronavirus outbreak in China's Hubei province rose by 116 by the end of Thursday, health officials there said, less than half the number of deaths from the day before.

Hubei province's health commission said it had also recorded 4,823 new cases of the disease, recently named COVID-19,taking the total in the province to 51,986. Over four fifths of the province's new cases were in Wuhan, where thenew coronavirusfirst emerged inDecember,

The number of newly reported infections was down sharply from the end of Wednesday, when a change in the methods of diagnosing and reporting patients had led to a record number of reported cases.

Hubei authorities had started using a new, quicker diagnostic method involving computerized tomography (CT) scans, which health authoritiessaid had diagnosed more than 13,000 infections in one day, without waiting for lab confirmation.

They had previously only allowed infections to be confirmed by RNA tests, which can take days to process. RNA, or ribonucleic acid, carries genetic information allowing for identification of organisms like viruses.

The diagnostic change is just in Hubei, World Health Organization officials said on Thursday.

In a news briefing on Thursday morning in Geneva, WHO emphasized that the large increase in cases did not necessarily indicate aspike in new infections.

"Crucially, we understand that most of these cases relate to a period going back over days and weeks and are retrospectively reported as cases, sometimes back to the beginning of the outbreak itself," said Dr. Mike Ryan,executive director of WHO's health emergencies program, said at the briefing.

The increase on Thursday was "largely, in part, down to a change in how cases are being diagnosed and reported," he said.

"This does not represent a significant change in the trajectory of the outbreak."

Themajority of China's new cases continue to be in Hubei. Across the mainland, there were 121 new deaths and a total of 5,090 new coronavirus cases on Thursday,China'sNational Health Commission reported.The total number of cases to date on the mainland is more than 55,000.

Allowing trained medical professionals in Hubei to confirm coronavirus cases on thebasis of CT imaging rather than waiting for laboratory confirmation allowed patients to get care more quickly and expedite public health measures such as tracking down others who may have been exposed to the virus, Ryan said.

Ryan said in the rest of China and the rest of the world lab confirmation is still necessary.

"For consistency,"WHO's Thursday coronavirus report said, it was not including the cases that were not lab-confirmed in its own daily tally.

There have been 447 coronavirus cases in 24 countries outside of China, WHO said.

The epidemic,believed to have emerged from a Wuhan market where wildlife was traded illegally, has given China's ruling Communist Party one of its sternest challenges in years, constrained the world's second-largest economy and triggered a purge of provincial bureaucrats.

Provincial Communist Party boss Jiang Chaoliang was fired as secretary of the Hubei Provincial Committee, and Shanghai's former mayor Ying Yong has been appointedto replace him, state media said. It also reported that Ma Guoqiangwas removed as the party's chief in Wuhan.

Diamond Princess passengers may be allowed off ship

As of Thursday, there have been447 coronavirus cases in 24 countries outside of China, WHO said. Seven of those are in Canada four in British Columbia and three in Ontario, according to the Public Health Agency of Canada.

The biggest concentration of confirmed cases outside of mainland China, according to WHO, is from the Diamond Princess cruise ship, docked near Tokyo, where3,500 passengershave been under quarantine since last week

As of Thursday, 218 passengers had tested positive for the coronavirus, including 12 Canadians, WHO said.

"Outside cases on the Diamond Princess cruise ship, we are not seeing dramatic increases in cases outside China,"Ryan said.

The 12 Canadians who contracted the virus on board the ship have been moved to Japanese health facilities, and at least three have required hospitalization, CanadianForeign Affairs MinisterFranois-Philippe Champagnetold reporters while travelling with the prime minister in Senegal on a diplomatic trip.

Champagne said emergency response teams and consular officials are in Japan to make sure Canadians are receiving the help they need.

"We know that there are some people who need medications on board, they want to have contact with their families.We're facilitating that," Champagne said.

Canada has also dispatched health officials to Japan to co-ordinate with local public health authorities.

WATCH: Canada's foreign minister on coronavirus cases in Japan

Champagne on the latest coronavirus numbers

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Foreign Minister Francois-Philippe Champagne updates numbers of Canadians infected by the coronavirus on the cruise ship in Japan.

Japanese authorities might soon allow passengers who have not tested positive for the virus but remain quarantined aboard the shipto disembark and finish out their isolation on land.

Japan plans to move passengers who wish to leave the ship in phases, with the most "medically vulnerable" guests being moved in the first phase, according to Princess Cruises, the line that owns the Diamond Princess.

That first group of people will be tested for the virus, and if they test negative, will be taken to a quarantine housing facility, the cruise line said in a press release.

If they test positive, they'll be moved to a health facility.

The shore-side quarantine centre will include individual rooms with private bathrooms, and while passengers will continue to receive their medical prescriptions, they will not have access to specialized or Western meals. They will be served Japanese bento boxes for the duration of the quarantine, according to the release.

Everyone who wishes to stay on the ship will be allowed to do so.

Westerdam passengers reach port

Meanwhile, passengers were finally allowed to leaveanother ship, theWesterdam, after itdocked in the Cambodian port town of Sihanoukville.

Thailand refused to allow the Westerdam to dock this week after it had already been turned away by the Philippines, Taiwan, Japan and Guam over coronavirus concerns.

No cases of the illness hadbeen confirmed among its 1,455 passengers and 802 crew members, according to its operator, Holland America. The ship had anchored offshore to allow Cambodian officials to board and collect samples from passengers with any signs of ill health or flu-like symptoms.

Cambodian Prime Minister Hun Sen greeted the passengers with handshakes and bouquets of roses as they stepped off the ship and boarded a waiting bus.

Champagne said there were about250 Canadian passengers on the Westerdam and that they will be returned to Canada at Holland America's expense.

About 400 Canadians quarantined in Trenton

As for Canadians still in the centre of the viral outbreak, Champagne said all the 400 or so Canadians who wished to leave Hubei, the Chinese province that includes the city of Wuhan, have been repatriated and are quarantined in southern Ontario, at Canadian Forces Base Trenton.

There are still permanent Canadian residents in Hubei, he said. Though Chinese authorities initially stipulated that only Canadian passport holders would be able to leave the quarantined region, they seem to have relaxed that rule, Champagne said, but he did not elaborate on whether Canada would make arrangements to fly more of them out.

The last flight chartered by the Canadian government to evacuate people from the city of Wuhan, which landed at CFB Trenton on Tuesday, was the last the government plans to send to the region. Those Canadians who chose to stay behind in Hubei have been provided with consular services, Champagne said.

1st death linked to coronavirus reported in Japan

On Thursday, Japan confirmed its first coronavirus death an 80-year-old woman who lived in an area that borders on Tokyo, health officials said.

Health Minister Katsunobu Kato says the woman had been treated at a hospital near Tokyo since early February after developing symptoms. Her infection was confirmed after her death.

CDC says U.S. has another case

In the U.S., the Centers for Disease Control confirmed another coronavirus case the 15th case of COVID-19 in the country.

"The patient is among a group of people under a federal quarantine order at JBSA-Lackland in Texas because of their recent return to the U.S. on a State Department-chartered flight," the CDC said in a statement.

The person who tested positive is in isolation at hospital.

WATCH:Infectious disease doctor takes your questions about the coronavirus outbreak

Infectious disease doctor answers your questions about coronavirus

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Dr. Michael Gardam, who was on the front lines during the SARS crisis, answers pressing questions about the coronavirus outbreak.

The CDC said 195 people were released from quarantine on Tuesday, but noted there are more than 600 people who returned to the U.S. on charter flights who are still living under federal quarantine.

In Vietnam, official media reported that a commune of 10,000 residents northwest of the capital Hanoi was put in lockdown due to a cluster of cases there. The online newspaper VN Express cited a senior official of Ving Phuc province as reporting an increase in cases in Son Loi commune. Vietnam has confirmed 16 cases of the disease, most of them in Son Loi.