The ban excludes Australian citizens and permanent residents.
Australia is among 58 countries that have introduced some form of travel restrictions on passengers who have travelled through mainland China, the government said. However, all travelers among this group will be required to self-isolate for 14 days upon arrival to Australia.
The Australian Chamber of Commerce and Industry says keeping Australians safe from the virus is "absolutely paramount", but says it is a "savage blow" to Australian tourism.
DFAT will also maintain its travel advice for mainland China at "do not travel" until there is a "material change in the global situation".
Today the Chinese embassy in Canberra called the decision a big overreaction.More news: 5G iPhone and iPad Pro arriving in the fall
"The World Health Organisation has repeatedly stressed that it does not recommend putting travel and trade restrictions on China".
More than 240 deaths were reported on Wednesday alone, the highest number of fatalities on a single day since the virus was first reported in December.
"There has been significant growth in Hubei", Dr Murphy said.
"In other provinces of China there has been slow growth. but still growth".
Acting Immigration Minister Alan Tudge confirmed on Tuesday that "due to the enhanced border measures we are not finalising applications for individuals now in mainland China"... In some good news on Thursday, NSW confirmed all four patients diagnosed in the state have now been released from hospital.More news: MiniMed insulin pumps recalled after 2,175 injuries, 1 confirmed death
Of the 15 coronavirus cases in Australia, six have been cleared and the remaining nine are all stable.
A young Melbourne woman, who was on the stranded Diamond Princess cruise ship, has spoken of her shock after testing positive to coronavirus.
The education sector is particularly concerned by the ban, which according to the Australian Broadcasting Corp has meant more than 100,000 Chinese students have been unable to start university classes in Australia this term.
"We did not take this decision lightly", he said. "This is something we will continue to review on a weekly basis, and consider all the medical evidence on a weekly basis", Mr Morrison said.
"We are looking at all options that are available to us to mitigate the impact where possible".More news: A four-cylinder Toyota Supra is coming to Canada with 255 horsepower
"I would like to thank the Chinese Australian community for the way they have been respecting the quarantine arrangements and self isolation", he said.