January 21, 2026 Poste, G. Biosecurity in an Era of Disruptive Technological Change and Increased Geopolitical Tensions. BIOE 122, EMED 122/222, PUBLPOL 122/222 Stanford University School of Medicine. Biosecurity, January 21, 2026 Home ยป Poste, G. Biosecurity in an Era of Disruptive Technological Change and Increased Geopolitical Tensions. BIOE 122, EMED 122/222, PUBLPOL 122/222 Stanford University School of Medicine. Biosecurity, January 21, 2026