Resource management is a critical component of disaster preparedness and response. The type and quantity of resources and supplies needed by any particular community will be determined by several factors including the disasters affecting the community, existing resources within the community, resources available from neighboring communities, and the vulnerability assessment of a community. Ideally only needed resources should be requested and delivered. Unsolicited aid can often hamper an emergency response. The needs of a community will change during a disaster. Often the immediate need focuses on the medical sector. Issues such as hygiene, water and shelter will occur later. Disaster planning and logistical management of resources should not only consider the short-term needs of the community but also the long-term consequences of a disaster on the community.