According to the report, 65,191 people have been infected with the novel virus as of yesterday, globally.
But he added that the apparent stabilisation in the number of new cases in China and the slower spread of cases outside Hubei province - where the virus first emerged - was reassuring. With this development, they can see laboratory and clinical results for patients, particularly in Hubei Province. The extent of the epidemic seemed to deepen on Thursday after authorities in Hubei started counting patients who were diagnosed through lung imaging, in addition to those who undergo lab tests.
Clinically diagnosed patients mean that they demonstrated all the symptoms of COVID-19, but have been unable to be tested, treated, or they had died before they got tested positive of the virus.
The outbreak has led to the firing of Jiang Chaoliang as the ruling Communist Party chief in Hubei, just days after the province's top two health officials were removed from their posts. An unknown number have died from the viral disease - known as COVID-19 - without ever having been recorded as a confirmed case.
China also appointed new high-level officials in Hubei and Wuhan.
In a statement Wednesday, GloPID-R chair Yazdan Yazdanpanah said that "equitable access-making sure we share data and reach those most in need, in particular those in lower and middle-income countries, is fundamental to this work which must be guided by ethical considerations at all times".
"The jump in cases today reflects the broader definition", he said.
Ryan also said that he expected members of a WHO-led global mission to arrive in China over the weekend. A 15-member advance World Health Organization team already reached China on Monday.
In Vietnam, official media reported a village of 10,000 north-west of the capital, Hanoi, was put in lockdown due to a cluster of cases there.
The United States is "deeply concerned" about the possible impact of a coronavirus outbreak in North Korea and is prepared to help USA and worldwide organisations contain the spread of the virus, the State Department said on Thursday.
The online newspaper VN Express cited a senior official of Vinh Phuc province as reporting an increase in cases in Son Loi. Vietnam has confirmed 16 cases, a lot of them in the province.
Meanwhile, another cruise ship, the Westerdam, finally docked Thursday in the Cambodian port of Sihanoukville, ending a two-week-long saga that saw the ship being turned away by Japan, Thailand, Taiwan and the Philippines because of unsubstantiated fears that someone on board was infected.
Dr Tedros also praised Cambodia for taking in the Westerdam, a U.S. cruise ship that had earlier been turned away from ports in Japan, Thailand and Taiwan despite having no sick patients on board. The ship has 218 infections among its 3,700 passengers and crew. The ship, MS Westerdam had docked in Cambodia.
In Hubei province alone, the epicenter of the coronavirus outbreak, there are about 34,000 people hospitalized, which included approximately 1,400 who are in a critical condition.
Hong Kong, where 50 cases have been confirmed, extended the suspension of schools to March 16.