She reported possible symptoms a few days later and was admitted to a hospital.
The virus has been identified as a new type of coronavirus.
The participants of the meeting also urged to ensure all-out efforts to treat patients, and disclose disease-related information in an accurate, open and transparent manner to address concerns from both at home and overseas, it said.
New procedures were additionally enforced in Hong Kong, where its leader, Carrie Lam, proclaimed a wellness emergency situation.
Ferguson's team suggest as many as 4,000 people in Wuhan were already infected by January 18 and that on average each case was infecting two or three others. Only authorized vehicles will be permitted, the reports said.
Shantou has reported two cases, with another 96 in the surrounding province of Guangdong.
Medical workers in Wuhan have been among those infected and local media reported a doctor died on Saturday morning.
The virus originated in the central Chinese city of Wuhan in Hubei late a year ago and has spread to Chinese cities including Beijing. Schools in Hong Kong that are now on Lunar New Year holidays will remain closed until February 17.
Hong Kong earlier cancelled the traditional New Year's Day fireworks.
The latest infection tally, from 29 provinces and cities across China, included 237 patients in serious condition.
France confirmed three cases on Friday, the first in Europe, and the USA identified its second, a woman in Chicago who had returned from China. But a growing number of other countries are reporting cases, mainly of people returning from China - especially from Wuhan. On Friday. Australia announced its first case, a Chinese man in his 50s who returned from China last week. Hong Kong has recorded five cases of the new disease, all among people who had previously been to Wuhan, and no deaths.
"We have at the current time another three people under investigation".
There's still a lot we don't know about the new coronavirus.
She said informing the public is "the most effective barrier" against the spread of the virus, more so than taking people's temperatures as they arrive at airports and other entry points to test if they have a fever.
Stocks slumped Friday on Wall Street as economic fears grew over the widening crisis.
Xi also called for every effort to prevent and control coronavirus-related pneumonia and expressed his deep gratitude to the front line medical personnel, who are struggling to control the epidemic. "The number of deaths is increasing, but more slowly than the number of cases".
Wuhan is racing to build two makeshift virus-focused field hospitals within a fortnight to ease the pressure.
The Ministry of Commerce announced that two million protective masks would be sent to Wuhan.
The financial hub of Shanghai, which has extensive global air connections, on Sunday reported its first death - an 88-year-old man who had pre-existing health problems.