6 天之前 · AP AUDIO: The CIA believes COVID most likely originated from a lab but has low confidence in its own finding ... Ratcliffe, who served as director of national intelligence during …

4 天之前 · The problem for the lab-leak position is that the U.S. has never had access to the Wuhan lab and has thus been unable to reach a definitive answer for more than five years.

The COVID-19 lab leak theory, or lab leak hypothesis, is the idea that SARS-CoV-2, the virus that caused the COVID-19 pandemic, came from a laboratory.

4 天之前 · China said Monday it was "extremely unlikely" COVID-19 came from a laboratory, after the CIA said it believed the virus had more likely come from a lab rather than natural …

6 天之前 · The CIA said Saturday it has shifted its previous assessments and has concluded that it’s likely the Covid-19 virus was leaked from a Chinese lab before it became a global …

6 天之前 · 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 …

2024年12月3日 · The committee’s 520-page report, released on 2 December, offers no new direct evidence of a lab leak, but summarizes a circumstantial case, including that the Wuhan …

2024年6月3日 · One alarming detail — leaked to The Wall Street Journal and confirmed by current and former U.S. government officials — is that scientists on Dr. Shi’s team fell ill with …

2023年3月1日 · It's a suspicion that the coronavirus may have escaped, accidentally or otherwise, from a laboratory in the central Chinese city of Wuhan where the virus was first recorded. Its …

1 天前 · The CIA’s claim that the Covid-19 virus probably emerged from a Chinese laboratory leak has revived a fierce five-year battle over the pandemic’s origins.