January 12, 2022 Poste, G. Biosecurity: A Multi-Dimensional Challenge of Escalating Complexity and Urgency (12 Jan 2022) Virtual Lecture. Stanford BioSecurity Class . Home ยป Poste, G. Biosecurity: A Multi-Dimensional Challenge of Escalating Complexity and Urgency (12 Jan 2022) Virtual Lecture. Stanford BioSecurity Class .