First U.S. coronavirus patient had at least 16 close contacts
The officials stressed that the risk to the public remains low.
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The officials stressed that the risk to the public remains low.
The virus has infected more than 500 people. At least 17 have died.
Shares of Novavax surged after the biotech announced that it is developing a potential treatment for the virus.
The World Health Organization has called a meeting Wednesday to decide whether China's coronavirus is a global health emergency.
A man in Washington state is sick from the virus after returning from a trip to China.
Travel industry could take hit, with some Wall Street analysts warning the health crisis poses investment risk.
There have been more than 300 confirmed cases of the flu-like coronavirus, which can be transmitted person-to-person.
Asian governments stepped up screening of travelers from China, prompting a selloff in airlines and travel stocks.
Passengers arriving in the U.S. from the city at the center of the coronavirus outbreak are now being screened, as officials confirm "limited" human-to-human transmission.
The rare pneumonia-like virus has caused at least two deaths, and has spread from China to other countries in Asia.
Officials in Wuhan, city at the center of an outbreak of a new strain of viral pneumonia, say risks low as U.S. warns travelers to take precautions.
With a massive holiday travel rush looming, officials are still racing to figure out the source of the illness, how it's spread and how to stop it.