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2 Chinese researchers charged with smuggling biological pathogen to study at University of Michigan lab

  • Two Chinese researchers, Yunqing Jian and Zunyong Liu, were charged Tuesday with smuggling the fungus Fusarium graminearum into the United States via Detroit to study it at the University of Michigan.
  • The charges stem from Liu's July 2024 attempt to bring multiple fungus samples into the U.S. On a tourist visa without a permit, coordinated with Jian as shown in WeChat messages from 2022.
  • Jian, a 33-year-old postdoctoral fellow, worked in the university's Molecular Plant-Microbe Interaction Laboratory and had files showing research funded by the Chinese government on the same pathogen.
  • Federal prosecutors and an FBI affidavit identify the fungus Fusarium graminearum as a biological threat that damages important crops such as corn, rice, and barley, causing billions of dollars in losses globally, and producing toxins harmful to both humans and animals.
  • Jian remains in custody after a court hearing, Liu remains outside the U.S., and the case highlights national security concerns amid increased scrutiny of Chinese researchers and visa revocations.
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Just the News broke the news in Washington, United States on Tuesday, June 3, 2025.
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