This document provides an overview of disaster management. It begins with defining key terms like hazard, vulnerability, and disaster. It then classifies disasters into natural (meteorological, topographical, environmental) and man-made (technological, industrial, warfare) disasters. The document discusses the phases of disaster management including preparedness, response, recovery, and mitigation. It provides details on medical and public health response during disasters and the potential health impacts including physical, psychological, and communicable disease consequences. Overall, the document comprehensively defines and examines different aspects of disaster management.