"Recently there has been a big change in the number of cases, which is related to our deepening our understanding of the disease, improving diagnostic methods and optimizing the distribution of diagnostic kits", National Health Commission vice-minister Li Bin stated.
China has identified 440 cases and nine deaths, most of the illnesses and all of the deaths in Hubei province.
Health officials in the USA said Wednesday they are actively monitoring 16 people who came into close contact with the traveler to China who became the first US resident with a new and potentially deadly virus.
As the viral outbreak spread from Wuhan this week, a more assertive China now appears determined not to repeat its past mistakes. This will apply to flights from Wuhan to London Heathrow.
Chinese authorities have advised people to stop travel into and out of Wuhan, the city at the heart of the outbreak.
"Lots of people have already left for Chinese New Year, so it looks like the apocalypse here".There have not been any other suspected human cases reported prior to this. More news: Big names progress at Australian Open
"In addition, guests travelling from Wuhan, China or who have been in the city in the last 30 days will be denied boarding".
Dr Ergonul says a major coronavirus outbreak was first seen the form of SARS in 2003, which reportedly came from small mammals in China.
Here's a look at the preventative measures adopted in some of the world's most popular tourist destinations. Stay up to date with the latest on the Wuhan coronavirus outbreak here.
Since confirmation of the first case of the new coronavirus on January 21, the US Centers for Disease Control and Prevention has increased screening and quarantine measures at the country's major airports.
U.S. authorities last week announced similar measures at airports in San Francisco, Los Angeles and NY.
There are now three direct flights a week from Wuhan to London Heathrow. It is likely that further cases will be seen in other countries around the world, including the United Kingdom and Europe, in the days and weeks to come.
Infected people have also identified in other countries including, Japan, Thailand and South Korea.More news: WHO delays decision to declare coronavirus outbreak health emergency
Nearly 20 days later, the virus had spread to other countries through private travelling individuals whose health status had been unconfirmed.
According to the World Health Organization, quarantine and screening measures have been enhanced for travelers from Wuhan city at all Japan airports since January 7. The patient arrived on a train from the mainland and had been quarantined.
Though no cases of the coronavirus have been confirmed, Hong Kong, which was hit hard by the 2002-2003 outbreak of SARS, is on particularly high alert. The semi-autonomous city is a popular destination for Chinese nationals.
Officials also screened people on roads, the airport and the train station for fever.
The Australian Department of Health is now working to implement additional measures to manage the risk of the coronavirus, including additional border measures - particularly in relation to the three weekly direct flights from Wuhan to Sydney. The clinical information about this strand of virus is not definite. "The incubation period is probably a week", Australia's chief medical officer, Brendan Murphy, said Tuesday.
It is not yet known how or when the virus became infectious to people.
Upon the insistence of the Health Ministry, the Civil Aviation ministry has directed seven airports including Delhi, Mumbai, Chennai, and Kolkata to make arrangements for the screening of passengers arriving from China. He said: "We are well prepared and have the appropriate measures in place". "MOH has also reminded doctors and healthcare workers to be vigilant, and maintain strict infection control and prevention measures".More news: Greece elects first woman president