U.S. officials have confirmed a new case of the coronavirus in Arizona. 

This brings the total to five cases so far. Two infected patients are in California, with the others in Arizona, Washington State and Chicago.

Officials say the person in Orange County, California, returned from Wuhan where a new strain of the virus originated.

Previous confirmed cases in the U.S. are in Washington state, Chicago, and Orange County, California.

New cases of the virus have also been confirmed in Singapore, South Korea and Thailand, according to the Associated Press. 

Chinese officials are making efforts to quickly contain the coronavirus and treat current patients who have flu symptoms. Medics and supplies are being deployed to Wuhan and Hubei province. Cities in China are also on high alert.

A travel ban is in effect covering 16 Chinese cities affecting more than 50 million people.

Some 2,000 cases of the virus have been confirmed. More than 55 people have died.

So far, the coronavirus is not as deadly as the previous epidemics of SARS and MERS.