This document contains an analysis of the factors, elements, structure and agents involved in communication in risk situations within an organization. The document includes a series of examples of communication in risk situations from literature that serve to highlight good practices and practices to be avoided. D5.2 presents an overview of the procedures commonly used by organizations, and some quotations about practical communication situations derived from the COVID-19 pandemic and other risk situations. Finally, the document establishes a series of Guidelines on Risk Communication Principles that can be used by the project stakeholders when implementing communication strategies during a pandemic. In addition, these guidelines can be considered both for the improvement of the STAMINA solutions and for the development of the project trials.