ccho0215 wrote:
你又在亂講。https(恕刪)
根據彭博社的報導，研究7398個血液樣本，106個顯示新冠病毒感染，新冠病毒在2019年12月就已經在美國傳播。
https://www.bloomberg.com/news/articles/2020-12-01/covid-infections-found-in-u-s-in-2019-weeks-before-china-cases
Testing has found Covid-19 infections in the U.S. in December 2019, according to a study, providing further evidence indicating the coronavirus was spreading globally weeks before the first cases were reported in China.
The study published Monday identified 106 infections from 7,389 blood samples collected from donors in nine U.S. states between Dec. 13 and Jan. 17. The samples, collected by the American Red Cross, were sent to the U.S. Centers for Disease Control and Prevention for testing to detect if there were antibodies against the virus.
“The findings of this report suggest that SARS-CoV-2 infections may have been present in the U.S. in December 2019, earlier than previously recognized,” the paper said.
Reports of a mysterious pneumonia spreading in Wuhan, China, first emerged in late December 2019. After multiplying rapidly throughout the city in the following weeks, the disease spread across the globe, with the first U.S. case emerging on Jan. 19.........
