Canadian security agencies disclosed details regarding the dismissal of Chinese-Canadian virologists Xiangguo Qiu and her husband Keding Cheng from the Winnipeg National Microbiology Laboratory for allegedly compromising Canada's national security. Qiu is accused of providing the genetic sequence of the Ebola virus to China and profiting from it. The couple's ties to Chinese military research and unauthorized sharing of virus samples have raised concerns. The incident has sparked discussions about the impact on Chinese-Canadian researchers and the broader implications for Canada-China relations and scientific collaboration.