It is not yet clear if they are suffering from another type of respiratory virus or Wuhan coronavirus, the spokesperson added. Authorities there have urged residents not to leave the city and visitors to avoid it, while fever scanners have been set up at highway checkpoints, the railway station and airport.
But the team has now upgraded their estimate, given how quickly the never-before-seen infection has spread around China and the world.
Coronaviruses "are a large family of viruses that cause illness ranging from the common cold to more severe diseases such as Middle East Respiratory Syndrome (MERS-CoV) and Severe Acute Respiratory Syndrome (SARS-CoV)".
No such request has been made at this time and Ratuski said the BC Centre for Disease Control would normally ask the airport to disseminate information on where and how to reach out if travellers experience symptoms, in a scenario such as this.
The Novel Coronavirus was first identified by Chinese researchers with the pathogen behind a mysterious illness that had sickened 59 people in Wuhan, a city of 11 million in central China.
Scientists are still working to confirm the exact source of the virus, which has infected 440 people in 13 provinces and municipalities.
Passengers leaving Asia are also being screened.
The announcement came after the health ministry announced it was on high alert over the virus and was taking pre-emptive measures to deal with it.
Top Democrats push for Senate impeachment trial witnesses and criticize Trump's brief
Dershowitz, who has long defended Trump publicly, was revealed to be joining Trump's legal team for the Senate trial on Friday. Dershowitz explained his constitutional argument in an ABC TV interview with George Stephanopolous Sunday evening.
Health officials confirmed earlier this week that the disease can be spread between humans after finding two infected people in Guangdong province in southern China who had not been to Wuhan.
That complicates efforts to contain the virus as hundreds of millions of people travel during the period, the biggest annual migration of humans on the planet.
Professor Neil Ferguson, the Imperial researcher behind the worrying prediction, did say the United Kingdom was not a major travel destination for Wuhan residents.
A ban on the trade of live poultry and wild animals has also been implemented in the city.
The WHO said Monday it believed an animal source was the "primary source" of the outbreak, and Wuhan authorities identified a seafood market as the centre of the epidemic.
The number of cases of the infection, known by its technical name 2019 Novel Coronavirus (2019-nCoV), is greater than the total of more than 300 reported earlier on Tuesday.
The first U.S. case was confirmed on Tuesday.
The UK's expected measures do not appear to include a medical screening of passengers at the airport for signs of the virus, as the UK did in 2014 following the Ebola outbreak.
"We are still in the process of learning more about this disease", Gao Fu, an academician of the Chinese Academy of Sciences and head of the Chinese Center for Disease Control, said at the news conference.
Movie ticketing platform Toupiaopiao said they would give "unconditional refunds" for cinema bookings in Wuhan during the holiday period. Low-priced carrier Scoot said it's made arrangements to distribute a health advisory to all passengers arriving from Wuhan.