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The rest of the virus cases are scattered between Arizona, Illinois, Massachusetts, Wisconsin and Washington state. The patient list includes at least two pairs of spouses.
Two individuals evacuated from Wuhan, the city at the center of the outbreak in China, have tested positive for coronavirus.
One Wuhan evacuee tested negative at first and was allowed to return to quarantine at Marine Corps Air Station Miramar in California. The patient was returned to UC San Diego Health on Monday after further testing resulted in a positive, the hospital said.
The patient has not been confirmed as a U.S. citizen.
Nearly 200 evacuees who were on the first flight from Wuhan but did not test positive for the virus were released from quarantine Tuesday.
Meanwhile, China's lockdown in response to the outbreak is having ramifications on businesses around the world.
Major U.S. airlines have suspended nearly all flights to mainland China and Hong Kong. American Airlines announced Tuesday that it's extending its suspension of flights to and from mainland China and Hong Kong from Dallas-Fort Worth and Los Angeles airports. Flight cancellations will now last until late April instead of late March.
|AAL||AMERICAN AIRLINES GROUP INC.||29.20||-0.89||-2.96%|
Here's what we know about the coronavirus patients across the U.S.
Arizona - 1
An Arizona man in his 20s is the state's only case of the virus, The Arizona Republic reported last week. He had recently traveled to Wuhan and is described as a member of the Arizona State University community, although he does not live in university housing.
The patient lives in Arizona's most populous county, Maricopa County.
California - 8
The patients in San Diego are the seventh and eighth cases in California. The state confirmed its first cases in January. Other confirmed cases are two patients in Santa Clara County, two in nearby San Benito County, one in Los Angeles County and one in Orange County.
"The two cases in San Benito County are spouses, one of whom traveled to China and one who did not," the California Department of Public Health said in a statement. "This marks the first instance of close household person-to-person transmission of novel coronavirus in California. There is no evidence of person-to-person transmission in the general public in California."
The health department is working with labs throughout California so that the facilities are able to rapidly test for the virus.
Illinois - 2
A husband and wife who became sick in January were the nation's "first instance of person-to-person spread," CDC said.
The Chicago woman, who is in her 60s, returned from central China Jan. 13 then last week went to a hospital with symptoms and was diagnosed with the viral illness. Her husband did not travel to China and caught the virus from her.
Massachusetts - 1
A Boston man in his 20s who had recently returned from Wuhan is the state's only confirmed case of coronavirus.
The patient has been reported as a University of Massachusetts student.
Texas - 1
U.S. officials on Thursday announced the country's 15th confirmed case of the new coronavirus — an evacuee from China who had been under quarantine in Texas.
The patient, who had been flown to Lackland Air Force Base in San Antonio last week, is now in isolation at a hospital and was reported in stable condition. The infection was confirmed through a Wednesday night lab test.
Washington - 1
The Washington man who returned from Wuhan with coronavirus was discharged from Providence Regional Medical Center in Everett, Washington, in early February, MyNorthwest reported.
"I am at home and continuing to get better," the man said in a statement. "I ask that the media please respect my privacy and my desire not to be in the public eye. I would like to thank the doctors, nurses, and entire team at Providence who cared for me. I appreciate all of the concern expressed by members of the public, and I look forward to returning to my normal life."
Wisconsin - 1
Wisconsin's only patient who tested positive for coronavirus had recently traveled to Beijing was exposed to known cases of the virus. The person was isolated at home as of last week according to a statement from the Wisconsin Department of Health Services.
The Associated Press contributed to this report.
This post has been updated to reflect CDC confirmation of 15 COVID-19 cases in the U.S.