The unknown type of viral pneumonia was first detected in Wuhan, Hubei Province, in late December.
Authorities are hunting for 2,000 people who recently flew to the United Kingdom from the Chinese region of Wuhan to check they have not been affected by the deadly coronavirus.
Northern Ireland's chief medical officer Michael McBride said he was "being kept fully informed about the steps being taken to protect the public by the Public Health Agency and I am providing the (health) minister with updates".
With the Chinese New Year happening this weekend, normally heavy holiday travel through Wuhan has been halted by the quarantine.
"My family has hoarded much food, and when we need something, we go downstairs to a supermarket nearby with masks on", a 30-year-old city resident who works in financial services told Reuters via social media, declining to provide her name.
In the US, public-health officials are urging people to wash their hands and cover their coughs and sneezes - the usual precautions taken during flu season, which is in full swing right now and hitting Washington state hard.
"We would also be working very closely with the Brazos County Health District to assist with helping the students who might have been in closest contact with the individual who was positive", Dr. Dannenbaum said. "They're putting up a 1,000-bed hospital in just a period of a week", Zervos says.
News of the case came after Chinese authorities said they were treating 1,287 patients with the virus, while the death toll has risen to 41.
China ramped up measures to contain a virus that has killed 26 people and infected more than 800, suspending public transportation in 10 cities, effectively locking down 40 million people.
Australia on Saturday announced its first case of coronavirus, a Chinese national in his 50s, who had been in Wuhan and arrived from China on January 19 on a flight from Guangzhou.
Two people were discharged after returning negative test results in NSW yesterday.
It is suspected that animals, such as fruit bats or snakes, could be the primary source of the outbreak, with a seafood market selling live animals in Wuhan in Hubei province being identified as ground zero for the virus. Things here are becoming more risky day by day and it might be even more hard to get out of Wuhan in the coming days than it is at present.
Flights and high-speed train connections between Hong Kong and the city of Wuhan in central China, where the virus originated, will be halted.
The patient reached out to their healthcare provider while traveling back to the US.
Health officials are now monitoring 63 patients across 22 states. We said that it is only possible to get out of Wuhan through a specially arranged bus.
For that reason, health officials are urging recent travellers to China to monitor themselves for symptoms and call their health-care provider if they develop a fever, cough, shortness of breath or other symptoms linked to 2019-nCoV.
The vast majority of cases have been in and around Wuhan or involved people who visited the city or had personal connections to those infected.
Nepal: Nepal said a 32-year-old man arriving from Wuhan had the deadly disease.
She said the health system and public health response is "robust", saying that cases have been quickly reported and tests conducted.