The World Health Organization has not classed the virus as an "international emergency", partly because of the low number of overseas cases.
But the USA health-care system has a lot more experience combating the flu, said Dr. Kathy Lofy, the state's health-care officer and the chief science officer.
At this stage there is little known about the incubation periods of the virus, she said, so it is unclear when he would have contracted the virus. A child on an incoming flight prompted a scare at Sydney International airport last night, but Sydney Children's Hospital says the child was assessed and then released.
"We want to try to stop and prevent people from coming to the United States if they have it", Barrasso told reporters, without providing any details of how that might be accomplished.
The Illinois patient developed symptoms after her return from China.
The news comes after the virus has claimed more than 40 lives in China, with the infection spreading across the globe.
In Queensland five people - including three from the Gold Coast - tested negative for the virus on Saturday, with four others given an all-clear earlier in the week.
Federal and state chief medical officers held joint discussions on Saturday with health ministers expected to do the same.
China has stepped up its response to a new coronavirus outbreak that has killed 41 people and infected at least 1,287 as of Saturday, placing restrictions on 13 cities, including 12 in Hubei Province - the centre of the outbreak. And now the virus has reached France. She said she "couldn't take it anymore".
"When you have one imported case, the outbreak potential is a lot different than a place where it starts, where there could be hundreds of people getting sick", she said. The woman is in stable condition and has been isolated in a hospital, Layden said. CDC officials said that delay could make it hard to catch cases via heightened airport screening as infected travelers return.
People who have close contact with the people suspected or confirmed of having the virus should also subject themselves to epidemic surveys and necessary medical examinations by health authorities, according to the circular.
The man is now being treated at Monash University Hospital in isolation.
When his condition worsened, his family contacted the hospital and took him there yesterday where he remains in isolation with pneumonia-like symptoms.
Wuhan is one of 18 Chinese cities that have shut down transportation.
"There is no reason for alarm in the general community", Ms Mikakos said.
In Tasmania, a man in his 30s who travelled to Wuhan this month is being tested for the virus in Royal Hobart Hospital.
While there are not direct passenger flights from Wuhan to Anchorage, there have been six cargo flights from the airport that have landed in Anchorage since January 1.