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MONDAY, Feb. 3, 2020 (HealthDay News) -- While health experts began to fear that the coronavirus outbreak in China will become a pandemic as infections topped 17,000 worldwide, U.S. officials announced three more cases in California, bringing the total in this country to 11.
A pandemic, which is when there are epidemics occurring on two or more continents, is looking more likely by the day, as the World Health Organization reports there are now 146 cases in at least 23 countries outside China.
On Sunday, three more U.S. cases of coronavirus were reported in California, a couple in San Benito County and a woman in Santa Clara, Calif. The couple is believed to be the second instance of person-to-person transmission in the United States, Associated Press reported.
Also on Sunday, the United States began to bar entry to any foreigners who have recently traveled to China. The move was announced Friday by Health and Human Services Secretary Alex Azar as he declared the coronavirus a "public health emergency."
Dr. Anthony Fauci, director of the U.S. National Institute of Allergy and Infectious Diseases, said the American actions were being taken because there are "a lot of unknowns" surrounding the virus and its transmission path, the The New York Times reported.
"The number of cases have steeply inclined with every day," Fauci noted.
The temporary entry ban applies to foreign nationals, with the exception of relatives of citizens and permanent residents, The Times reported.
U.S. citizens who have recently traveled to the Hubei province of China, where Wuhan is located, will be quarantined for up to 14 days, U.S. health officials said. U.S. citizens who have recently traveled to other parts of China will face health screenings and voluntary quarantines of up to 14 days.
The U.S. ban came one day after the World Health Organization declared the coronavirus outbreak an international public health emergency and the United States reported its first case of person-to-person transmission of the virus.
On Friday, U.S. health officials also announced a mandatory quarantine for the 195 Americans who were evacuated last week from Wuhan, the epicenter of the outbreak.
"If we take strong measures now, we may be able to blunt the impact of the virus on the United States," Dr. Nancy Messonnier, director of the National Center for Immunization and Respiratory Diseases, said during a media briefing Friday. "While we recognize this is an unprecedented action, we are facing an unprecedented public health threat," she explained.
"We are preparing as if this were the next pandemic, but we are hopeful still that this is not and will not be the case," Messonnier added. "This is the first time in 50 years that CDC [Centers for Disease Control and Prevention] has issued a quarantine order. We would rather be remembered for overreacting than for underreacting."
Meanwhile, Chinese officials said Monday that the death toll in that country has hit 361, The Times reported. Chinese health officials have confirmed that the virus is spreading from person-to-person, and that it can be spread by a person who is not showing symptoms of infection.
Outside China, there have been more than 146 confirmed cases of coronavirus in at least 23 countries. The first death outside China, a man from Wuhan who was visiting the Philippines, was confirmed Sunday, The Times reported.
Cases recorded in Thailand, Taiwan, Germany, Vietnam, Japan, France and the United States have involved patients who had not been to China.
-- Robert Preidt
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