US Dangerous Fungus

This image provided by United States District Court For The Eastern District Of Michigan shows toxic plant pathogens that a Chinese scientist entered the U.S. last year stashed in his backpack, federal authorities said Tuesday, June 3, 2025, as they filed charges against him and a girlfriend who worked in a lab at the University of Michigan. A

DETROIT — Two Chinese scientists accused of smuggling or shipping biological material into the United States for use at the University of Michigan will remain in custody after waiving their right to a hearing Friday in federal court.

Yunqing Jian and Chengxuan Han said in separate court appearances in Detroit that they would not challenge the government’s request to keep them locked up while their cases move forward.

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