Jan 31, 2020 - Health

CDC confirms 7th coronavirus case in the U.S.

Passengers traveling to Ghuangzhou, China takes precautions by wearing masks following an outbreak of the Coronavirus in China at Addis Ababa Bole International Airport on January 31, 2020. Photo: Luke Dray / Stringer/Getty Images

A 7th coronavirus case has been confirmed by the Centers for Disease Control and Prevention where a man in the San Francisco Bay area became ill after traveling from Wuhan, China back to the U.S., the Santa Clara Health Department said Friday.

The big picture: Federal health officials expect more cases to be confirmed while the CDC continues to test cases and as state health departments remain on high alert. The U.S. on Friday declared a public health emergency and restricted travel based on the new virus's ability to spread from person-to-person.

Go deeper: Coronavirus: The latest developments

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Pentagon preparing coronavirus quarantine housing for up to 1,000 people

Mark Esper. Photo: Yasin Ozturk/Anadolu Agency via Getty Images

Defense Secretary Mark Esper on Saturday approved a request to prepare 14-day quarantine housing for up to 1,000 people returning to the U.S. from overseas travel, amid concerns about the spread of the strain of coronavirus first detected in Wuhan, China, CNN reports.

Why it matters: The Centers for Disease Control and Prevention confirmed the eighth case of coronavirus in the U.S. on Saturday. The U.S. declared the virus a public health emergency on Friday.

Go deeper: The latest coronavirus developments

CDC confirms 12th coronavirus case in the U.S.

People wear facemasks in Beijing, China, Feb. 5. Photo: Roman Balandin\TASS via Getty Images

An adult in Wisconsin with a history of travel to Beijing, China, has contracted the coronavirus, the state health department and Centers for Disease Control and Prevention confirmed on Wednesday.

What's happening: The individual, who is currently isolated at home, "was exposed to known cases" of 2019-nCoV while in China. Immediate health risk to the general public in Wisconsin is low, the state health department said.

Go deeper: Coronavirus death toll reaches 494

Coronavirus updates: Market ends worst week since financial crisis

Data: The Center for Systems Science and Engineering at Johns Hopkins, the CDC, and China's Health Ministry. Note: China numbers are for the mainland only and U.S. numbers include repatriated citizens.

The stock market ended its worst week since the financial crisis, prompting the Fed to release a statement. Meanwhile, the WHO warned that countries are losing their chance to contain the novel coronavirus and raised its global risk assessment to "very high" Friday.

The big picture: COVID-19 has killed more than 2,860 people and infected more than 84,000 others in over 60 countries and territories outside the epicenter in mainland China. The number of new cases reported outside China now exceed those inside the country.

Go deeperArrowUpdated 13 hours ago - Health