A brand new coronavirus case has been identified in San Diego, bringing the total quantity to seven in California and 13 in the USA.

This newly identified unnamed feminine affected person was discovered amongst greater than 200 individuals who have been evacuated from China to the Miramar army base in San Diego Wednesday. Her case is elevating issues in regards to the reliability of assessments as a result of she initially examined detrimental and was returned to quarantine with different wholesome evacuees.

Originating in Wuhan, the brand new coronavirus has contaminated greater than 42,000 individuals and killed greater than 1,000 worldwide, in accordance to the World Well being Group. The bulk of instances are in China however the virus has unfold to no less than 25 different nations. Two deaths have been recorded outdoors mainland China, one in Hong Kong and one in the Philippines.

In California, each Santa Clara and San Benito counties have seen two instances every, and there may be one every in Los Angeles and Orange counties. (See maps in gallery above to see the place instances have been discovered in the U.S. and world wide.)

ALSO: Two coronavirus sufferers transferred to UC San Francisco

The San Diego affected person and three different evacuees had been in hospital isolation in San Diego after displaying signs of the virus. On Sunday, federal well being officers stated all 4 individuals had examined detrimental and have been despatched again to the bottom, becoming a member of greater than 200 individuals below a 14-day quarantine.

On Monday morning, nonetheless, officers with the U.S. Facilities for Illness Management and Prevention knowledgeable county well being officers that “additional testing revealed that one of the 4 sufferers examined optimistic” for novel coronavirus and the individual was returned to hospital isolation, UC San Diego Well being stated in an announcement.

One other evacuee from Miramar additionally was hospitalized for analysis Monday afternoon, UC San Diego Well being stated in an announcement.

“Each sufferers are doing effectively and have minimal signs,” the assertion stated.

MORE: ‘It was an emotional expertise’: 178 coronavirus evacuees land in Northern California

Current chartered flights have despatched tons of of Wuhan evacuees again to the U.S. They’re being held in quarantine at army bases in California, Texas and Nebraska.

A aircraft carrying 178 American coronavirus evacuees from Wuhan landed early Wednesday at Travis Air Pressure Base, 50 miles northeast of San Francisco. All evacuees will probably be quarantined for 14 days and staying in isolation on the Westwind Inn on Travis AFB. They will not have any contact with individuals dwelling and dealing on the bottom. 5 of the evacuees taken to Travis Air Pressure Base have been hospitalized after displaying signs of the virus however none of these potential instances has been confirmed, authorities stated.

Some 200 evacuees at March Reserve Air Base in Southern California have been scheduled to be launched from their two-week quarantine on Tuesday.

No signs have been reported amongst evacuees at Lackland Air Pressure Base in San Antonio or a Nebraska nationwide Guard coaching base in Omaha.

The Related Press contributed to this story.

Amy Graff is a digital editor with SFGATE. E mail her: agraff@sfgate.com.