隻能說中國的疫情爆發於武漢,但永遠說不清起源於何處,因為之前各國都不做病毒檢測,美國直到2月14日才說將在5個城市開始對有流感症

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美國直到2月14日才說將在5個城市開始對有流感症狀的病人進行新冠病毒檢測。根據CDC數據,至2月21日為止,美國全國一共隻檢測了414人,而且都是針對海外入境者。

CDC Begins to Test Patients with Flu-like Symptoms for Coronavirus

 
FEB 18, 2020 | RACHEL LUTZ
 
In a call with members of the media on Friday, February 14, 2020, the US Centers for Disease Control and Prevention (CDC) said they will begin to test individuals with influenza-like-illness for the novel coronavirus. This will take place at public health labs in Los Angeles, San Francisco, Seattle, Chicago, and New York City.

The CDC plans to expand this initiative to more cities in the coming weeks with the goal of eventually conducting national surveillance in order to guide response strategy.

“This is an extra layer of our response that will help us detect if and when this virus is spreading in the community,” said Nancy Messonnier, MD, director of the CDC’s Center for Immunization and Respiratory Diseases. “All of our efforts are now to prevent the sustained spread of the virus in our community, but we need to be prepared for the possibility that it will spread.”
 
 
 
 
根據CDC數據,至2月21日為止,美國全國一共隻檢測了414人:

Coronavirus Disease 2019 (COVID-19) in the U.S.

Updated February 21, 2020

COVID-19: Confirmed Cases in the United States*†
People under Investigation (PUI) in the United States
Travel-related 12
Person-to-person spread 2
Total confirmed cases 14
Total tested 414

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