Red Cross is a large non-governmental organization that provides approximately 20% of external health aid to developing countries. It focuses on helping poor African nations through hospitals and clinics run more efficiently than government facilities. The largest health-focused NGO in the US is Project Hope, while the most important worldwide is Oxfam International. International relief organizations like the Red Cross play a major role in disaster response by averting health crises and helping reconstruction. The United Nations agencies are the most prominent international relief organizations for refugees and disasters, along with large NGOs such as the International Committee of the Red Cross and Doctors Without Borders.