The courier said that he was given the vials by Yusen Zhou, who worked for China's Academy of Military Medical Sciences, and that the vials were intended for Fang Li, a researcher at the University of Minnesota. ... The courier said that he was given the vials by Yusen Zhou, who worked for China’s Academy of Military Medical Sciences, and that the vials were intended for Fang Li, a researcher at the University of Minnesota who has co-written papers with Zhou. Laboratory testing from DHS and the FBI confirmed that porcine epidemic diarrhea virus spike protein was in the vials,...