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Coronavirus Cases of Unknown Origin Found in California, Oregon, Washington

SAN FRANCISCO (CBS/AP) -- Health officials in California, Oregon and Washington state worried about the novel coronavirus spreading through West Coast communities after confirming three patients were infected by unknown means.

The patients -- an older Northern California woman with chronic health conditions, a high school student in Everett, Washington and an employee at a Portland, Oregon-area school -- hadn't recently traveled overseas or had any known close contact with a traveler or an infected person, authorities said.

Earlier U.S. cases include three people who were evacuated from the central China city of Wuhan, epicenter of the outbreak; 14 people who returned from China, or their spouses; and 42 American passengers on the Diamond Princess cruise ship, who were flown to U.S. military bases in California and Texas for quarantining.

Convinced that the number of cases will grow but determined to keep them from exploding, health agencies were ramping up efforts to identify patients.

The California Department of Public Health said Friday that the state will receive enough kits from the U.S. Centers for Disease Control to test up to 1,200 people a day for the COVID-19 virus -- a day after Gov. Gavin Newsom complained to federal health officials that the state had already exhausted its initial 200 test kits.

"This case represents some degree of community spread, some degree of circulation," said Dr. Sara Cody, health officer for Santa Clara County and director of the County of Santa Clara Public Health Department.

"Now that we have a case who did not recently travel or come in contact with anyone known to be ill, what does this mean? What we know is that the virus is here, present at some level but we still don't know to what degree," Cody said. "An important priority therefore for us is to conduct public health surveillance to determine the extent of what's happening."

Cody said the newly confirmed case in Santa Clara County is not linked to two previous cases in that county, nor to others in the state.

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The Santa Clara County resident was treated at a local hospital and is not known to have traveled to Solano County, where another woman was identified Wednesday as having contracted the virus from an unknown source.

Dozens of people had close contact with the Solano County woman. They were urged to quarantine themselves at home, while a few who showed symptoms of illness were in isolation, officials said.

At UC Davis Medical Center at least 124 registered nurses and other health care workers were sent home for "self-quarantine" after the Solano County woman with the virus was admitted, National Nurses United, a nationwide union representing RNs, said Friday.

The case "highlights the vulnerability of the nation's hospitals to this virus," the union said.

Earlier Friday, Oregon confirmed its first coronavirus case, a person who works at an elementary school in the Portland area, which will be temporarily closed.

The Lake Oswego School District sent a robocall to parents saying that Forest Hills Elementary will be closed until Wednesday so it can be deep-cleaned by maintenance workers.

Washington state health officials announced two new coronavirus cases Friday night, including a high school student who attends Jackson High School in Everett, said Dr. Chris Spitters of the Snohomish County Health District.

The other case in Washington was a woman in in King County in her 50s who had recently traveled to South Korea, authorities said.

Both patients weren't seriously ill.

The number of coronavirus cases in the United States is considered small. Worldwide, the number of people sickened by the virus hovered Friday around 83,000, and there were more than 2,800 deaths, most of them in China.

But health officials aren't taking any chances. Some communities, including San Francisco, already have declared local emergencies in case they need to obtain government funding.

© Copyright 2020 CBS Broadcasting Inc. All Rights Reserved. The Associated Press contributed to this report

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