去年夏天两名科学家被人从温尼伯的国家微生物实验室中带离, 加拿大公共卫生署否认该实验室与中国当前的冠状病毒爆发间存在任何关联。 去年夏天两名科学家被人从温尼伯的国家微生物实验室中带离, 加拿大公共卫生署否认该实验室与中国当前的冠状病毒 ...

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