标题: [其他] COVID-19 was likely in US as early as December 2019, study suggests [打印本页] 作者: jobtom878 时间: 2021-4-6 07:59 标题: COVID-19 was likely in US as early as December 2019, study suggests
The government study, published Monday in the journal Clinical Infectious Diseases, analyzed blood donations from the American Red Cross from Dec. 13, 2019 to Jan. 17, 2020. Researchers found 106 of the 7,389 samples collected contained antibodies that suggested a person had a previous COVID-19 infection. https://www.abc10.com/article/ne ... b-a25b-cefd52308a13
