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- 回復 舉報 [ 13樓 遊客 (73.82.x.x) ] 發表於
- JACLYN DIAZ NPR December 1, 20202:50 AM ET The coronavirus was present in the U.S. weeks earlier than scientists and public health officials previously thought, and before cases in China were publicly identified, according to a new government study published Monday. The virus and the illness that it causes, COVID-19, were first identified in Wuhan, China, in December 2019, but it wasn't until about Jan. 20 that the first confirmed COVID-19 case, from a traveler returning from China, was found in the U.S. However, new findings published in the journal Clinical Infectious Diseases suggest that the coronavirus, known officially as SARS-CoV-2, had infected people in the U.S. even earlier. "SARS-CoV-2 infections may have been present in the U.S. in December 2019, earlier than previously recognized," the authors said.
- 回復 舉報 [ 8樓 遊客 (160.32.x.x) ] 發表於
- 6L，請給出處。不然，看這個：COVID-19 was silently infecting Americans before first cases emerged in Wuhan: CDC study Coronavirus was present in the U.S. weeks earlier than scientists and public health officials previously thought, raising questions about the pandemic origin. Author of the article:Bloomberg News Bloomberg News Publishing date:Dec 01, 2020 •
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