Dec 1st, 2020, 20:54 | #1 |
Senior Member
注册日期: Jun 2006
帖子: 4,516
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留存血样档案可以追溯新冠病毒,美国CDC查了一下红十字去年12月下半月西海岸血样与东海岸1月上旬血样7389,其中西海岸发现39个带新冠抗体,东海岸发现67个带新冠抗体。(为何没测更早的?估计今后会测。) 估计今后全球会有更多的血样测试追溯,新冠起始与传播情况会逐步有清晰结论。 “ 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” https://www.google.ca/amp/s/national...334cb431f/amp/ |
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