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American study finds signs of coronavirus in US before China outbreak
The US CDC has reported research that indicates infections might have happened in the western United States earlier than previously thought. Photo: EPA-EFE
The US has added to research from
Italy
and France that indicates the coronavirus might have been circulating among people in a number of countries before it was identified in China and
erupted into a pandemic.
Scientists from the US Centres for Disease Control and Prevention (CDC) said on Monday that tests of blood samples taken in the United States from December 13 last year revealed evidence of antibodies for the Covid-19 virus, known as Sars-Cov-2.
The samples were taken more than two weeks before the December 31 official confirmation of the outbreak in the central Chinese city of Wuhan and as much as a month earlier than the first confirmed case of Covid-19 in the US on January 19, according to the CDC report.
www.scmp.com
- US CDC says blood samples taken in nine states before cases were reported in Wuhan tested positive for antibodies for the pathogen
- Results indicate that infections might have happened in the western US earlier than previously thought, scientists say
The US CDC has reported research that indicates infections might have happened in the western United States earlier than previously thought. Photo: EPA-EFE
The US has added to research from
Italy
and France that indicates the coronavirus might have been circulating among people in a number of countries before it was identified in China and
erupted into a pandemic.
Scientists from the US Centres for Disease Control and Prevention (CDC) said on Monday that tests of blood samples taken in the United States from December 13 last year revealed evidence of antibodies for the Covid-19 virus, known as Sars-Cov-2.
The samples were taken more than two weeks before the December 31 official confirmation of the outbreak in the central Chinese city of Wuhan and as much as a month earlier than the first confirmed case of Covid-19 in the US on January 19, according to the CDC report.
American study finds signs of Covid-19 in US before China outbreak
US CDC says blood samples taken in nine states before cases were reported in Wuhan tested positive for antibodies for the pathogen.
www.scmp.com
