" A better understanding of that relationship is crucial for the development of effective and efficient strategies to reduce the risk of infection in conflict and post-conflict settings. Many factors in those settings may increase a population's vulnerability to HIV. Massive and uncontrollable migration, the collapse of health services, the decline of literacy and access to basic prevention information increase a population's vulnerability to HIV in times of war. Conflict-related sexual violence in particular accelerates HIV transmission, and often becomes an automatic death sentence for victims who too often have little or no access to health care."