In a post on the Center for Global Development’s “Global Health Policy Blog,” Amanda Glassman, director of global health policy and a senior fellow at CGD, examines new estimates on purchasing power parity and how countries qualify to receive health aid. “…Disease burden is concentrated in countries now classified as middle-income. Because of this income classification, these countries are less likely to be eligible for health aid. … If disease prevention and control is the goal of donors, then they should allocate where disease burden and coverage gaps are located and where their money can be spent most cost-effectively…” (5/5).