"We're working very closely with (China) and with a lot of other people and a lot of other countries" on combating the outbreak, President Donald Trump said in a speech at an auto parts manufacturer in Warren, Michigan.
"We think we have it very well under control. We have very little problem in this country at this moment," he said.
An Illinois man is the first person confirmed to have become infected with the new coronavirus emerging from China after contact with someone with the disease within the United States, health authorities said on Thursday.
The infected man is the husband of an Illinois woman previously confirmed as carrying the virus after she traveled to China, said Dr. Allison Arwady, a commissioner at the Chicago Department of Public Health. Both patients are in their 60s.
"This is the first case of person-to-person transmission in the U.S.," Arwady said. Even so, she added, "there is no local emergency."
The new Illinois case brings the total number of U.S. patients infected with the fast-spreading virus to six. The other five are believed to have contracted the virus after traveling in China.