2021: Canadian National Microbiology Lab fired two researchers for security concerns and potential coercion by Beijing.

Federal officials in charge of Canada's National Microbiology Lab defended security protocols, as MPs grilled them over the firing of two researchers who had their security clearances revoked due to loyalty concerns and potential coercion by Beijing. The scientists, Xiangguo Qiu and her husband, Keding Cheng, played down their collaborations with Chinese government agencies before their dismissal in 2021.

April 21, 2024
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