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LOS ANGELES - Though the first case of the coronavirus wasn’t identified in the U.S. until January, a new study ... ادامه مطلب

SARS-CoV-2, the virus that causes COVID-19 disease, was first identified in Wuhan, China in December 2019, with subsequent worldwide spread. ... ادامه مطلب

The study published Monday identified 106 infections from 7,389 blood samples collected from donors in nine U.S. states between Dec. ... ادامه مطلب

Dr. Limeng Yan’s story: As early as mid-January 2020, Limeng Yan, who was doing research in Hong Kong, had heard ... ادامه مطلب

The new coronavirus infected people in the U.S. in mid-December 2019, a few weeks before it was officially identified in ... ادامه مطلب

Testing has found Covid-19 infections in the U.S. in December 2019, according to a study, providing further evidence indicating the ... ادامه مطلب

The new coronavirus infected people in the U.S. in mid-December 2019, a few weeks before it was officially identified in ... ادامه مطلب

LOS ANGELES - Though the first case of the coronavirus wasn’t identified in the U.S. until January, a new study ... ادامه مطلب

SARS-CoV-2, the virus that causes COVID-19 disease, was first identified in Wuhan, China in December 2019, with subsequent worldwide spread. ... ادامه مطلب

Testing has found Covid-19 infections in the U.S. in December 2019, according to a study, providing further evidence indicating the ... ادامه مطلب