Understanding crisis dynamics during public health emergencies: an integrated framework of social consequences, trust, and behavioral responses.

Public health emergencies are inherently social crises that disrupt institutions, livelihoods, and everyday social functioning. However, the factors that determine whether their crisis dimensions are amplified, sustained, or attenuated remain insufficiently understood from an integrated, macro-systemic perspective. This review synthesizes evidence across epidemiology, sociology, psychology, and public health to examine the interacting mechanisms that shape the social dynamics of epidemics. We develop a framework in which social consequences, trust dynamics, behavioral and psychological responses, and information environments jointly influence crisis trajectories through reciprocal feedback processes. Trust is conceptualized as a critical mediating factor linking governance to public behavior, while inequalities and information environments condition whether disruptions are contained or amplified. We conclude that epidemic preparedness should move beyond a pathogen-centered model to integrate social protection, trust-sensitive communication, mental health support, and infodemic management.