This document provides an overview of medical support for disaster survivors. It begins by defining medical support in disasters and identifying different types of disasters. The document then discusses the key mission areas of emergency management: prevention/protection, response, recovery, and mitigation. Several topics are covered in more detail, including the importance of water, sanitation and hygiene (WASH), vector control, food security, shelter, triage and medical evacuation, infectious/chronic diseases in disasters, and the roles of non-governmental organizations. The planning process for disaster response is also outlined. The document aims to define medical support and discuss best practices for providing it to disaster survivors.