WHO世界卫生组织：2025年谁全球框架定义和指导研究具有流行和大流行潜力的新兴和重新出现病原体的起源报告（英文版）

The WHO global framework to define and guide studies into the origins of emerging and re-emerging pathogens with epidemic and pandemic potential, developed by the Scientific Advisory Group for the Origins of Novel Pathogens (SAGO) has been designed as a resource for Member States. It provides, for the first time, comprehensive guidance on the studies that are needed to investigate the origins of emerging and reemerging pathogens.Timely investigations into pathogens’ origins are critical for p