严，班，郭的证伪

By September last year, Yan Limeng was no longer so cautious. She appeared on the Fox News channel in the United States and announced an unconfirmed statement to millions of people: the new crown virus is a biological weapon made in China.
Overnight, Yan Limeng became a sensation in the right-wing media. President Trump's senior advisers and conservative authorities praised her as a hero. Equally quickly, social media labelled her interview as "false information," and scientists refused to accept her research, saying it was sophistry dressed up in jargon.
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