CNN7 天
CIA assesses lab leak most plausible source of Covid-19, though with low confidence
The CIA now assesses the virus that causes Covid-19 more likely originated from an accidental lab leak in China, rather than occurring naturally, according to a statement from the agency Saturday ...
The Hill5 天
After new CIA finding, China says ‘extremely unlikely’ COVID-19 came from a lab
China on Monday dismissed the possibility that the virus that caused COVID-19 leaked from a lab, after the CIA said it now favors the so-called lab leak theory over natural transmission.