COVID19 pandemic has clarified that public health policies are central for the future of human societies from several perspectives. As a matter of fact, they are based on certain premises that are practical-political (e.g., ensuring the health of citizens), moral (e.g., health is a value), or epistemological (e.g., certain ideas concerning expertise and shared knowledge). Indeed, effective policies require first and foremost not only to be based on reliable data and models (i.e., so-called evidence-based policy) but also to ensure that these policies are democratically accepted, shared (e.g., considering both cognitive and social dimensions), and hopefully formed after a deliberative process involving experts from various fields alongside citizens. [continue]