In October, a Doctors Without Borders health worker carries a child suspected of having Ebola in Liberia. Nonprofits often have to fill in the gaps in West Africa, where the health care system was <a href="http://kff.org/global-indicator/health-expenditure-per-capita/" target="_blank" target="_blank">extremely limited even before the epidemic.</a> Because of civil wars and extreme poverty, there aren't enough doctors: Liberia has 0.014 physicians per 1,000 people, Sierra Leone has 0.022 and Guinea has 0.1. In contrast, the United States has 2.5 doctors per 1,000 people. 